Marcel Zwahlen

Author PubWeight™ 222.41‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 Body-mass index and incidence of cancer: a systematic review and meta-analysis of prospective observational studies. Lancet 2008 20.62
2 Sexual transmission of HIV according to viral load and antiretroviral therapy: systematic review and meta-analysis. AIDS 2009 11.62
3 Insulin-like growth factor (IGF)-I, IGF binding protein-3, and cancer risk: systematic review and meta-regression analysis. Lancet 2004 8.77
4 Recombinant human erythropoiesis-stimulating agents and mortality in patients with cancer: a meta-analysis of randomised trials. Lancet 2009 6.92
5 Outcomes associated with drug-eluting and bare-metal stents: a collaborative network meta-analysis. Lancet 2007 6.77
6 A systematic review of the 5-year survival and complication rates of implant-supported single crowns. Clin Oral Implants Res 2007 3.82
7 Childhood cancer and nuclear power plants in Switzerland: a census-based cohort study. Int J Epidemiol 2011 2.93
8 Domains of physical activity and all-cause mortality: systematic review and dose-response meta-analysis of cohort studies. Int J Epidemiol 2011 2.83
9 Women's perception of the benefits of mammography screening: population-based survey in four countries. Int J Epidemiol 2003 2.79
10 A systematic review of the survival and complication rates of fixed partial dentures (FPDs) after an observation period of at least 5 years. II. Combined tooth--implant-supported FPDs. Clin Oral Implants Res 2004 2.57
11 Mortality of HIV-infected patients starting potent antiretroviral therapy: comparison with the general population in nine industrialized countries. Int J Epidemiol 2009 2.51
12 Duration from seroconversion to eligibility for antiretroviral therapy and from ART eligibility to death in adult HIV-infected patients from low and middle-income countries: collaborative analysis of prospective studies. Sex Transm Infect 2008 2.49
13 Religion and assisted and non-assisted suicide in Switzerland: National Cohort Study. Int J Epidemiol 2010 2.49
14 How many cancer patients use complementary and alternative medicine: a systematic review and metaanalysis. Integr Cancer Ther 2011 2.43
15 A systematic review of the survival and complication rates of resin-bonded bridges after an observation period of at least 5 years. Clin Oral Implants Res 2007 2.24
16 Association of 1,5-anhydroglucitol and 2-h postprandial blood glucose in type 2 diabetic patients. Diabetes Care 2008 2.22
17 Selenium for preventing cancer. Cochrane Database Syst Rev 2011 2.11
18 A systematic review of the success of sinus floor elevation and survival of implants inserted in combination with sinus floor elevation. J Clin Periodontol 2008 2.09
19 Escalating incidence of eosinophilic esophagitis: a 20-year prospective, population-based study in Olten County, Switzerland. J Allergy Clin Immunol 2011 2.07
20 Surgical glove perforation and the risk of surgical site infection. Arch Surg 2009 2.04
21 A systematic review of the survival and complication rates of fixed partial dentures (FPDs) after an observation period of at least 5 years. Clin Oral Implants Res 2004 2.03
22 Comparison of survival and complication rates of tooth-supported fixed dental prostheses (FDPs) and implant-supported FDPs and single crowns (SCs). Clin Oral Implants Res 2007 1.93
23 Clinical efficacy of antiretroviral combination therapy based on protease inhibitors or non-nucleoside analogue reverse transcriptase inhibitors: indirect comparison of controlled trials. BMJ 2004 1.93
24 Incident cancer burden attributable to excess body mass index in 30 European countries. Int J Cancer 2010 1.93
25 All cause mortality in the Swiss HIV Cohort Study from 1990 to 2001 in comparison with the Swiss population. AIDS 2004 1.91
26 Intravaginal practices, bacterial vaginosis, and HIV infection in women: individual participant data meta-analysis. PLoS Med 2011 1.89
27 Background ionizing radiation and the risk of childhood cancer: a census-based nationwide cohort study. Environ Health Perspect 2015 1.88
28 The timing of surgical antimicrobial prophylaxis. Ann Surg 2008 1.85
29 Incidence and correlates of drug-eluting stent thrombosis in routine clinical practice. 4-year results from a large 2-institutional cohort study. J Am Coll Cardiol 2008 1.84
30 A systematic review of the survival and complication rates of all-ceramic and metal-ceramic reconstructions after an observation period of at least 3 years. Part II: Fixed dental prostheses. Clin Oral Implants Res 2007 1.82
31 A systematic review of the survival and complication rates of fixed partial dentures (FPDs) after an observation period of at least 5 years. Clin Oral Implants Res 2004 1.80
32 Family satisfaction in the intensive care unit: what makes the difference? Intensive Care Med 2009 1.79
33 Treatment response of cystic echinococcosis to benzimidazoles: a systematic review. PLoS Negl Trop Dis 2009 1.77
34 A systematic review of the survival and complication rates of implant supported fixed dental prostheses with cantilever extensions after an observation period of at least 5 years. Clin Oral Implants Res 2009 1.77
35 Body mass index, hormone replacement therapy, and endometrial cancer risk: a meta-analysis. Cancer Epidemiol Biomarkers Prev 2010 1.75
36 Incidence and predictors of atrioventricular conduction impairment after transcatheter aortic valve implantation. Am J Cardiol 2010 1.71
37 The association of biomass fuel combustion on pulmonary function tests in the adult population of Mid-Anatolia. Soz Praventivmed 2004 1.65
38 Chlamydia infection, pelvic inflammatory disease, ectopic pregnancy and infertility: cross-national study. Sex Transm Infect 2011 1.65
39 Cohort Profile: the Swiss National Cohort--a longitudinal study of 6.8 million people. Int J Epidemiol 2008 1.64
40 Quality of reporting of clinical studies to assess and compare performance of implant-supported restorations. J Clin Periodontol 2012 1.62
41 A systematic review of the survival and complication rates of implant-supported fixed dental prostheses (FDPs) after a mean observation period of at least 5 years. Clin Oral Implants Res 2012 1.60
42 A systematic review of the performance of ceramic and metal implant abutments supporting fixed implant reconstructions. Clin Oral Implants Res 2009 1.60
43 Systematic review of the survival rate and the incidence of biological, technical, and aesthetic complications of single crowns on implants reported in longitudinal studies with a mean follow-up of 5 years. Clin Oral Implants Res 2012 1.52
44 Suicide assisted by right-to-die associations: a population based cohort study. Int J Epidemiol 2014 1.48
45 What is the optimal number of implants for removable reconstructions? A systematic review on implant-supported overdentures. Clin Oral Implants Res 2012 1.47
46 A systematic review of the survival and complication rates of all-ceramic and metal-ceramic reconstructions after an observation period of at least 3 years. Part I: Single crowns. Clin Oral Implants Res 2007 1.42
47 A systematic review of the success of sinus floor elevation and survival of implants inserted in combination with sinus floor elevation. Part II: transalveolar technique. J Clin Periodontol 2008 1.40
48 Survival and failure rates of orthodontic temporary anchorage devices: a systematic review. Clin Oral Implants Res 2009 1.39
49 A systematic review on the accuracy and the clinical outcome of computer-guided template-based implant dentistry. Clin Oral Implants Res 2009 1.34
50 A Swiss neighbourhood index of socioeconomic position: development and association with mortality. J Epidemiol Community Health 2012 1.30
51 Childhood leukaemia and socioeconomic status: what is the evidence? Radiat Prot Dosimetry 2008 1.29
52 Cohort Profile: the Swiss Hepatitis C Cohort Study (SCCS). Int J Epidemiol 2007 1.28
53 A systematic review assessing soft tissue augmentation techniques. Clin Oral Implants Res 2009 1.28
54 Erythropoietin or Darbepoetin for patients with cancer--meta-analysis based on individual patient data. Cochrane Database Syst Rev 2009 1.26
55 Influence of residual pockets on progression of periodontitis and tooth loss: results after 11 years of maintenance. J Clin Periodontol 2008 1.23
56 Educational inequalities in life expectancy in German speaking part of Switzerland 1990-1997: Swiss National Cohort. Swiss Med Wkly 2006 1.19
57 Impact of unlinked deaths and coding changes on mortality trends in the Swiss National Cohort. BMC Med Inform Decis Mak 2013 1.18
58 The Swiss Childhood Cancer Registry: rationale, organisation and results for the years 2001-2005. Swiss Med Wkly 2007 1.17
59 The Swiss National Cohort: a unique database for national and international researchers. Int J Public Health 2010 1.17
60 Selenium for preventing cancer. Cochrane Database Syst Rev 2014 1.17
61 Euthanasia and assisted suicide in selected European countries and US states: systematic literature review. Med Care 2013 1.15
62 Association between reported exposure to road traffic and respiratory symptoms in children: evidence of bias. Int J Epidemiol 2006 1.14
63 Primary prophylactic colony-stimulating factors for the prevention of chemotherapy-induced febrile neutropenia in breast cancer patients. Cochrane Database Syst Rev 2012 1.14
64 Tuberculosis and the risk of opportunistic infections and cancers in HIV-infected patients starting ART in Southern Africa. Trop Med Int Health 2012 1.12
65 Occurrence, risk factors, diagnosis and treatment of syphilis in the prospective observational Swiss HIV Cohort Study. AIDS 2010 1.11
66 Predictors of readmission and health related quality of life in patients with chronic heart failure: a comparison of different psychosocial aspects. J Behav Med 2010 1.11
67 Unprotected left main stenting in the real world: two-year outcomes of the French left main taxus registry. Circulation 2009 1.11
68 Mycobacterium tuberculosis transmission in a country with low tuberculosis incidence: role of immigration and HIV infection. J Clin Microbiol 2011 1.10
69 Effect of mutation and genetic background on drug resistance in Mycobacterium tuberculosis. Antimicrob Agents Chemother 2012 1.09
70 Helicobacter pylori infection and colorectal cancer risk: a meta-analysis. Helicobacter 2006 1.09
71 Epidemiology of pulmonary hypertension: new data from the Swiss registry. Swiss Med Wkly 2008 1.06
72 Meta-analysis and dose-response metaregression: circulating insulin-like growth factor I (IGF-I) and mortality. J Clin Endocrinol Metab 2011 1.06
73 Computer technology applications in surgical implant dentistry: a systematic review. Int J Oral Maxillofac Implants 2009 1.05
74 Ante's (1926) law revisited: a systematic review on survival rates and complications of fixed dental prostheses (FDPs) on severely reduced periodontal tissue support. Clin Oral Implants Res 2007 1.05
75 HIV infection disrupts the sympatric host-pathogen relationship in human tuberculosis. PLoS Genet 2013 1.04
76 Swiss primary care physicians' knowledge, attitudes and perception towards genetic testing for hereditary breast cancer. Fam Cancer 2003 1.03
77 Economic burden of surgical site infections at a European university hospital. Infect Control Hosp Epidemiol 2008 1.00
78 Long-term cardiovascular and non-cardiovascular mortality in women and men with type 1 and type 2 diabetes mellitus: a 30-year follow-up in Switzerland. Swiss Med Wkly 2009 0.98
79 The impact of anemia on long-term clinical outcome in patients undergoing revascularization with the unrestricted use of drug-eluting stents. Circ Cardiovasc Interv 2012 0.96
80 Determination of the prevalence of infection with Mycobacterium tuberculosis among persons vaccinated against Bacillus Calmette-Guérin in South Korea. Am J Epidemiol 2002 0.96
81 Influenza-attributable mortality among the elderly in Switzerland. Swiss Med Wkly 2006 0.95
82 Cemented and screw-retained implant reconstructions: a systematic review of the survival and complication rates. Clin Oral Implants Res 2012 0.93
83 A systematic review of the effects of full-mouth debridement with and without antiseptics in patients with chronic periodontitis. J Clin Periodontol 2008 0.91
84 Improvements in implant dentistry over the last decade: comparison of survival and complication rates in older and newer publications. Int J Oral Maxillofac Implants 2014 0.91
85 Prevention and control of surgical site infections: review of the Basel Cohort Study. Swiss Med Wkly 2012 0.91
86 Glucocorticoid replacement and mortality in patients with nonfunctioning pituitary adenoma. J Clin Endocrinol Metab 2012 0.90
87 Serologic vaccination response after solid organ transplantation: a systematic review. PLoS One 2013 0.89
88 The association of preoperative anemia and perioperative allogeneic blood transfusion with the risk of surgical site infection. Transfusion 2009 0.89
89 IGF-I, IGF binding protein-3 and breast cancer risk: comparison of 3 meta-analyses. Int J Cancer 2005 0.89
90 What is the optimal number of implants for fixed reconstructions: a systematic review. Clin Oral Implants Res 2012 0.87
91 Antiplatelets versus anticoagulants for the treatment of cervical artery dissection: Bayesian meta-analysis. PLoS One 2013 0.86
92 National laboratory reports of Chlamydia trachomatis seriously underestimate the frequency of genital chlamydial infections among women in Switzerland. Sex Transm Dis 2002 0.86
93 Growth hormone receptor polymorphism and growth hormone therapy response in children: a Bayesian meta-analysis. Am J Epidemiol 2012 0.86
94 Differences across health care systems in outcome and cost-utility of surgical and conservative treatment of chronic low back pain: a study protocol. BMC Musculoskelet Disord 2008 0.86
95 Re: body mass index and risk of lung cancer among never, former, and current smokers. J Natl Cancer Inst 2012 0.85
96 Daily physical activities and sports in adult survivors of childhood cancer and healthy controls: a population-based questionnaire survey. PLoS One 2012 0.85
97 Peri-implantitis susceptibility as it relates to periodontal therapy and supportive care. Clin Oral Implants Res 2012 0.85
98 Maxillary sinus floor elevation using the (transalveolar) osteotome technique with or without grafting material. Part I: Implant survival and patients' perception. Clin Oral Implants Res 2009 0.84
99 Dehydroepiandrosterone sulfate in the assessment of the hypothalamic-pituitary-adrenal axis. J Clin Endocrinol Metab 2007 0.84
100 Incidence and risk factors of homicide-suicide in Swiss households: National Cohort study. PLoS One 2013 0.84
101 High life in the sky? Mortality by floor of residence in Switzerland. Eur J Epidemiol 2013 0.83
102 Hepatitis C in a sample of pregnant women in Switzerland: seroprevalence and socio-demographic factors. Swiss Med Wkly 2007 0.83
103 Cancer in first degree relatives of Latin American women with cervical cancer. A pilot study. Anticancer Res 2005 0.82
104 Access to specialized pediatric cancer care in Switzerland. Pediatr Blood Cancer 2010 0.82
105 Hepatoprotective effect of tumour necrosis factor alpha blockade in psoriatic arthritis: a cross-sectional study. Ann Rheum Dis 2009 0.82
106 Exercise capacity in subjects with type 1 diabetes mellitus in eu- and hyperglycaemia. Diabetes Metab Res Rev 2006 0.81
107 HHV-8 seroprevalence: a global view. Syst Rev 2014 0.81
108 Internal vs. external connections for abutments/reconstructions: a systematic review. Clin Oral Implants Res 2012 0.80
109 Comparison of the effectiveness of two mumps vaccines during an outbreak in Switzerland in 1999 and 2000: a case-cohort study. Eur J Epidemiol 2003 0.80
110 It is time to initiate another breast cancer screening trial. Ann Intern Med 2014 0.80
111 Mannose-binding lectin cord blood levels and respiratory symptoms during infancy: a prospective birth cohort study. Pediatr Allergy Immunol 2008 0.80
112 Alcohol-selling outlets and mortality in Switzerland--the Swiss National Cohort. Addiction 2013 0.79
113 A case-control study of sporadic Creutzfeldt-Jakob disease in Switzerland: analysis of potential risk factors with regard to an increased CJD incidence in the years 2001-2004. BMC Public Health 2009 0.79
114 Periodontal disease progression in subjects with orofacial clefts over a 25-year follow-up period. J Clin Periodontol 2009 0.79
115 Routine vaccination against pertussis and the risk of childhood asthma: a population-based cohort study. Pediatrics 2009 0.79
116 Complication and failure rates of fixed dental prostheses in patients treated for periodontal disease. Clin Oral Implants Res 2011 0.79
117 Evaluating the optimal timing of surgical antimicrobial prophylaxis: study protocol for a randomized controlled trial. Trials 2014 0.79
118 Osteoporosis case finding in the general practice: phalangeal radiographic absorptiometry with and without risk factors for osteoporosis to select postmenopausal women eligible for lumbar spine and hip densitometry. Osteoporos Int 2005 0.78
119 Homicide-suicides compared to homicides and suicides: systematic review and meta-analysis. Forensic Sci Int 2013 0.78
120 Systematic review of the survival rate and incidence of biologic, technical, and esthetic complications of single implant abutments supporting fixed prostheses. Int J Oral Maxillofac Implants 2014 0.78
121 Impact of thrombolysis on stroke outcome at 12 months in a population: the Bern stroke project. Stroke 2012 0.78
122 Tailored total lymphoid irradiation in heart transplant patients: 10-years experience of one center. Radiat Oncol 2010 0.78
123 Impact of surgical training on incidence of surgical site infection. World J Surg 2009 0.78
124 Complication and failure rates in patients treated for chronic periodontitis and restored with single crowns on teeth and/or implants. Clin Oral Implants Res 2010 0.78
125 Kaposi Sarcoma Risk in HIV-Infected Children and Adolescents on Combination Antiretroviral Therapy From Sub-Saharan Africa, Europe, and Asia. Clin Infect Dis 2016 0.77
126 Religion and suicide in patients with mental illness or cancer. Suicide Life Threat Behav 2013 0.76
127 A randomised determination of the Effect of Fluvastatin and Atorvastatin on top of dual antiplatelet treatment on platelet aggregation after implantation of coronary drug-eluting stents. The EFA-Trial. Thromb Haemost 2010 0.76
128 [Tumor screening]. Ther Umsch 2013 0.76
129 Clinical effects of interdental cleansing on supragingival biofilm formation and development of experimental gingivitis. Oral Health Prev Dent 2009 0.76
130 Cancer, a disease of aging (part 2) - risk factors for older adult cancer mortality in Switzerland 1991-2008. Swiss Med Wkly 2012 0.76
131 Family characteristics as risk factors for childhood acute lymphoblastic leukemia: a population-based case-control study. PLoS One 2010 0.76
132 Regional Variation of Cost of Care in the Last 12 Months of Life in Switzerland: Small-area Analysis Using Insurance Claims Data. Med Care 2017 0.75
133 What now about acetaminophen? Arch Intern Med 2003 0.75
134 In Utero Exposure to Antiretroviral Drugs: Effect on Birth Weight and Growth Among HIV-exposed Uninfected Children in Brazil. Pediatr Infect Dis J 2016 0.75
135 Life expectancy in HIV-positive persons in Switzerland: matched comparison with general population. AIDS 2016 0.75
136 Tenofovir or zidovudine in second-line antiretroviral therapy after stavudine failure in southern Africa. Antivir Ther 2013 0.75
137 Complication and failure rates of tooth-supported fixed dental prostheses after 7 to 19 years in function. Int J Prosthodont 2012 0.75
138 Disparities in bone density measurement history and osteoporosis medication utilisation in Swiss women: results from the Swiss Health Survey 2007. BMC Musculoskelet Disord 2013 0.75
139 Commentary: numerous, heterogeneous, and often poor--the studies on childhood leukaemia and socioeconomic status. Int J Epidemiol 2006 0.75
140 Screening should be a program, not just a strategy. J Clin Epidemiol 2011 0.75
141 Thymic peptides for treatment of cancer patients. Cochrane Database Syst Rev 2011 0.75
142 Chronic lymphocytic leukaemia: clinical-aetiological findings in 66 patients and their families. Hered Cancer Clin Pract 2007 0.75
143 The effect of different implant neck configurations on soft and hard tissue healing: a randomized-controlled clinical trial. Clin Oral Implants Res 2010 0.75
144 [Cancer screening - principles, evaluation and implementation]. Ther Umsch 2013 0.75
145 An angiographic analysis of atherosclerosis progression in below-the-knee arteries after femoropopliteal angioplasty in claudicants. J Endovasc Ther 2010 0.75
146 Cancer, a disease of aging (part 1) - trends in older adult cancer mortality in Switzerland 1991-2008. Swiss Med Wkly 2012 0.75