Published in Bioethics on April 01, 2003
The revision of the Declaration of Helsinki: past, present and future. Br J Clin Pharmacol (2004) 3.35
Why prevent, diagnose and treat congenital toxoplasmosis? Mem Inst Oswaldo Cruz (2009) 1.45
Reactions to treatment debriefing among the participants of a placebo controlled trial. BMC Health Serv Res (2005) 1.19
Where is the supporting evidence for treating mild to moderate chronic obstructive pulmonary disease exacerbations with antibiotics? A systematic review. BMC Med (2008) 1.11
A renewed, ethical defense of placebo-controlled trials of new treatments for major depression and anxiety disorders. J Med Ethics (2009) 0.93
HELPinKids&Adults Knowledge Synthesis of the Management of Vaccination Pain and High Levels of Needle Fear: Limitations of the Evidence and Recommendations for Future Research. Clin J Pain (2015) 0.90
The use of placebo-controlled clinical trials for the approval of psychiatric drugs: part I-statistics and the case for the "greater good". Psychiatry (Edgmont) (2009) 0.89
Should desperate volunteers be included in randomised controlled trials? J Med Ethics (2006) 0.88
Placebo versus best-available-therapy control group in clinical trials for pharmacologic therapies: which is better? Proc Am Thorac Soc (2007) 0.86
Safety of placebo controls in pediatric hypertension trials. Hypertension (2008) 0.82
Placebo in clinical trials. Perspect Clin Res (2013) 0.76
Spiralling Medical Costs: Why Canada Needs NICE Medicine. Healthc Policy (2007) 0.75
Drug versus placebo randomized controlled trials in neonates: A review of ClinicalTrials.gov registry. PLoS One (2017) 0.75
Variable selection for propensity score models. Am J Epidemiol (2006) 10.68
A review of the application of propensity score methods yielded increasing use, advantages in specific settings, but not substantially different estimates compared with conventional multivariable methods. J Clin Epidemiol (2005) 7.31
The rise and fall of epidemiology, 1950-2000 A.D. 1981. Int J Epidemiol (2007) 4.56
Analytic strategies to adjust confounding using exposure propensity scores and disease risk scores: nonsteroidal antiinflammatory drugs and short-term mortality in the elderly. Am J Epidemiol (2005) 3.33
Treatment effects in the presence of unmeasured confounding: dealing with observations in the tails of the propensity score distribution--a simulation study. Am J Epidemiol (2010) 2.74
Performance of propensity score calibration--a simulation study. Am J Epidemiol (2007) 2.56
Exploring relative mortality and epoetin alfa dose among hemodialysis patients. Am J Kidney Dis (2008) 2.43
Use of cyclo-oxygenase 2 inhibitors (COX-2) and prescription non-steroidal anti-inflammatory drugs (NSAIDS) in UK and USA populations. Implications for COX-2 cardiovascular profile. Pharmacoepidemiol Drug Saf (2006) 2.38
Increasing levels of restriction in pharmacoepidemiologic database studies of elderly and comparison with randomized trial results. Med Care (2007) 2.31
Re-using Mini-Sentinel data following rapid assessments of potential safety signals via modular analytic programs. Pharmacoepidemiol Drug Saf (2013) 2.01
Insights into different results from different causal contrasts in the presence of effect-measure modification. Pharmacoepidemiol Drug Saf (2006) 1.99
Beyond randomized controlled trials: a critical comparison of trials with nonrandomized studies. Hepatology (2006) 1.87
Seasonal variation in hospital discharge diagnosis of atrial fibrillation: a population-based study. Epidemiology (2002) 1.85
One-to-many propensity score matching in cohort studies. Pharmacoepidemiol Drug Saf (2012) 1.82
Effects of adjusting for instrumental variables on bias and precision of effect estimates. Am J Epidemiol (2011) 1.77
Effect of obesity on the outcome of kidney transplantation: a 20-year follow-up. Transplantation (2011) 1.77
The implications of propensity score variable selection strategies in pharmacoepidemiology: an empirical illustration. Pharmacoepidemiol Drug Saf (2011) 1.74
Effectiveness of adjuvanted influenza vaccination in elderly subjects in northern Italy. Am J Epidemiol (2012) 1.68
Non-steroidal anti-inflammatory drug use and risk of atrial fibrillation or flutter: population based case-control study. BMJ (2011) 1.65
An internet-based prospective study of body size and time-to-pregnancy. Hum Reprod (2009) 1.64
Cohort profile: the Danish Web-based Pregnancy Planning Study--'Snart-Gravid'. Int J Epidemiol (2008) 1.62
A prospective cohort study of physical activity and time to pregnancy. Fertil Steril (2012) 1.58
A successful implementation of e-epidemiology: the Danish pregnancy planning study 'Snart-Gravid'. Eur J Epidemiol (2010) 1.57
Adjustments for unmeasured confounders in pharmacoepidemiologic database studies using external information. Med Care (2007) 1.56
Topiramate use in pregnancy and the birth prevalence of oral clefts. Pharmacoepidemiol Drug Saf (2014) 1.52
Exposure to fumonisins and the occurrence of neural tube defects along the Texas-Mexico border. Environ Health Perspect (2006) 1.47
Does relaxed reproductive selection explain the decline in male reproductive health? A new hypothesis. Epidemiology (2002) 1.42
Responses to "Texaco and its consultants": elevating the level of scientific discourse. Int J Occup Environ Health (2005) 1.41
Using prescription claims data for drugs available over-the-counter (OTC). Pharmacoepidemiol Drug Saf (2007) 1.39
Extra scrutiny for industry funded trials. BMJ (2005) 1.38
Consistent control of mineral and bone disorder in incident hemodialysis patients. Clin J Am Soc Nephrol (2008) 1.36
Screening for prostate cancer remains controversial. BMJ (2009) 1.34
Serum albumin and risk of myocardial infarction and all-cause mortality in the Framingham Offspring Study. Circulation (2002) 1.32
Obesity and mortality risk among younger dialysis patients. Clin J Am Soc Nephrol (2012) 1.29
Randomized trial of questionnaire length. Epidemiology (2009) 1.27
Risk of death and hospital admission for major medical events after initiation of psychotropic medications in older adults admitted to nursing homes. CMAJ (2011) 1.26
Migraine, fibromyalgia, and depression among people with IBS: a prevalence study. BMC Gastroenterol (2006) 1.21
Age dependence of the relation between reassortant rotavirus vaccine (RotaShield) and intussusception. J Infect Dis (2006) 1.21
Estimation using all available covariate information versus a fixed look-back window for dichotomous covariates. Pharmacoepidemiol Drug Saf (2013) 1.15
Association of Apgar score at five minutes with long-term neurologic disability and cognitive function in a prevalence study of Danish conscripts. BMC Pregnancy Childbirth (2009) 1.15
A retrospective study of the clinical and economic burden during hospitalizations among cancer patients with febrile neutropenia. J Med Econ (2013) 1.13
Evolving statistical methods to facilitate evaluation of the causal association between erythropoiesis-stimulating agent dose and mortality in nonexperimental research: strengths and limitations. Am J Kidney Dis (2009) 1.07
Postterm delivery and risk for epilepsy in childhood. Pediatrics (2007) 1.04
A prospective cohort study of menstrual characteristics and time to pregnancy. Am J Epidemiol (2011) 1.03
The effect of altitude on dosing and response to erythropoietin in ESRD. J Am Soc Nephrol (2008) 1.00
Applying propensity scores estimated in a full cohort to adjust for confounding in subgroup analyses. Pharmacoepidemiol Drug Saf (2011) 1.00
Variation in antipsychotic treatment choice across US nursing homes. J Clin Psychopharmacol (2012) 0.99
Evaluation of Selection Bias in an Internet-based Study of Pregnancy Planners. Epidemiology (2016) 0.98
Supplementing claims data with outpatient laboratory test results to improve confounding adjustment in effectiveness studies of lipid-lowering treatments. BMC Med Res Methodol (2012) 0.98
Comparison of different approaches to confounding adjustment in a study on the association of antipsychotic medication with mortality in older nursing home patients. Am J Epidemiol (2011) 0.98
Exclusion of immortal person-time. Pharmacoepidemiol Drug Saf (2008) 0.98
A study of the importance of education and cost incentives on individual food choices at the Harvard School of Public Health cafeteria. J Am Coll Nutr (2008) 0.96
Estimating the proportion of all observed birth defects occurring in pregnancies terminated by a second-trimester abortion. Epidemiology (2014) 0.96
Exploring large weight deletion and the ability to balance confounders when using inverse probability of treatment weighting in the presence of rare treatment decisions. Pharmacoepidemiol Drug Saf (2012) 0.96
Apgar score and hospitalization for epilepsy in childhood: a registry-based cohort study. BMC Public Health (2006) 0.95
Effect of serum albumin and bilirubin on the risk of myocardial infarction (the Framingham Offspring Study). Am J Cardiol (2003) 0.94
Epidural analgesia and risks of cesarean and operative vaginal deliveries in nulliparous and multiparous women. Matern Child Health J (2010) 0.93
Leukemia risk in children exposed to benzene and PM10 from vehicular traffic: a case-control study in an Italian population. Eur J Epidemiol (2012) 0.93
Simple estimators of the intensity of seasonal occurrence. BMC Med Res Methodol (2008) 0.92
A population-based study of stimulant drug treatment of ADHD and academic progress in children. Pediatrics (2012) 0.91
Hospitalization rates and survival associated with COPD: a nationwide Danish cohort study. Lung (2010) 0.91
Subgroup analyses to determine cardiovascular risk associated with nonsteroidal antiinflammatory drugs and coxibs in specific patient groups. Arthritis Rheum (2008) 0.91
Relation between serum albumin and carotid atherosclerosis: the NHLBI Family Heart Study. Stroke (2003) 0.89
Seasonal variation in month of birth and diagnosis in children and adolescents with Hodgkin disease and non-Hodgkin lymphoma. J Pediatr Hematol Oncol (2003) 0.89
Field test results of the motherhood method to measure maternal mortality. Indian J Med Res (2011) 0.88
Health outcomes among patients receiving oseltamivir. Pharmacoepidemiol Drug Saf (2004) 0.87
Incidence of IBS in a cohort of people with asthma. Dig Dis Sci (2007) 0.87
Predictors of preconceptional folic acid or multivitamin supplement use: a cross-sectional study of Danish pregnancy planners. Clin Epidemiol (2012) 0.87
Pregnancy-associated hypertensive disorders and adult cognitive function among Danish conscripts. Am J Epidemiol (2009) 0.86
Propensity score calibration in the absence of surrogacy. Am J Epidemiol (2012) 0.86
Loratadine during pregnancy and hypospadias. Epidemiology (2008) 0.86
Pre-gravid oral contraceptive use and time to pregnancy: a Danish prospective cohort study. Hum Reprod (2013) 0.86
Relationship between epoetin alfa dose and mortality: findings from a marginal structural model. Clin J Am Soc Nephrol (2009) 0.85
Correlates of menstrual cycle characteristics among nulliparous Danish women. Clin Epidemiol (2013) 0.84
Incidence of osteonecrosis of the jaw among users of bisphosphonates with selected cancers or osteoporosis. Pharmacoepidemiol Drug Saf (2012) 0.84
Strong association between smoking and the risk of revision in a cohort study of patients with metal-on-metal total hip arthroplasty. J Orthop Res (2014) 0.84
Challenges in designing a national surveillance program for inflammatory bowel disease in the United States. Inflamm Bowel Dis (2014) 0.83
The relation between amyotrophic lateral sclerosis and inorganic selenium in drinking water: a population-based case-control study. Environ Health (2010) 0.83
IRBs and epidemiologic research: how inappropriate restrictions hamper studies. IRB (1985) 0.83
Use of depot medroxyprogesterone acetate contraception and incidence of bone fracture. Obstet Gynecol (2013) 0.83
Maternal use of oral contraceptives during early pregnancy and risk of hypospadias in male offspring. Urology (2009) 0.82
Physical activity, stress, and self-reported upper respiratory tract infection. Med Sci Sports Exerc (2011) 0.82
Chromosomal anomalies among the offspring of women with gestational diabetes. Am J Epidemiol (2002) 0.82
Short-term mortality of bacteraemia in elderly patients with haematological malignancies. Br J Haematol (2006) 0.82
Maternal asthma, preeclampsia and risk of hypospadias. Epidemiology (2005) 0.82
Folate intake and the risk of neural tube defects: an estimation of dose-response. Epidemiology (2003) 0.82
Family history of later-onset breast cancer, breast healthy behavior and invasive breast cancer among postmenopausal women: a cohort study. Breast Cancer Res (2010) 0.81
Educational achievement and economic self-sufficiency in adults after childhood bacterial meningitis. JAMA (2013) 0.81
Risk of birth defects associated with maternal pregestational diabetes. Eur J Epidemiol (2014) 0.81
Caffeinated beverage and soda consumption and time to pregnancy. Epidemiology (2012) 0.81
Febrile seizures and cognitive function in young adult life: a prevalence study in Danish conscripts. J Pediatr (2009) 0.81
John Snow's legacy: epidemiology without borders. Lancet (2013) 0.80
Hormone replacement therapy, family history, and breast cancer risk among postmenopausal women. Epidemiology (2009) 0.80
Propensity Score Calibration and its Alternatives. Am J Epidemiol (2007) 0.80
Cardiovascular risk factors and confounders among nondrinking and moderate-drinking U.S. adults. Am J Prev Med (2005) 0.80
Perinatal risk factors for hospitalization for pneumococcal disease in childhood: a population-based cohort study. Pediatrics (2007) 0.79
Comparative risks of non-prescription analgesics: a structured topic review and research priorities. Expert Opin Drug Saf (2011) 0.78
Validation of acute liver injury cases in a population-based cohort study of oral antimicrobial users. Curr Drug Saf (2014) 0.78
A Propensity score based fine stratification approach for confounding adjustment when exposure is infrequent. Epidemiology (2016) 0.78
Seasonal variation in hospitalization and case fatality of subarachnoid hemorrhage - a nationwide danish study on 9,367 patients. Neuroepidemiology (2004) 0.77