S J Clark

Author PubWeight™ 159.51‹?›

Top papers

Rank Title Journal Year PubWeight™‹?›
1 High levels of HIV-1 in plasma during all stages of infection determined by competitive PCR. Science 1993 12.22
2 Comparison of micro-ID, API 20E, and conventional media systems in identification of Enterobacteriaceae. J Clin Microbiol 1978 7.65
3 Bisulfite genomic sequencing: systematic investigation of critical experimental parameters. Nucleic Acids Res 2001 5.89
4 Detection and measurement of PCR bias in quantitative methylation analysis of bisulphite-treated DNA. Nucleic Acids Res 1997 3.34
5 Responses of plants and invertebrate trophic groups to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops. Philos Trans R Soc Lond B Biol Sci 2003 3.24
6 Crop management and agronomic context of the Farm Scale Evaluations of genetically modified herbicide-tolerant crops. Philos Trans R Soc Lond B Biol Sci 2003 3.12
7 Invertebrates and vegetation of field margins adjacent to crops subject to contrasting herbicide regimes in the Farm Scale Evaluations of genetically modified herbicide-tolerant crops. Philos Trans R Soc Lond B Biol Sci 2003 2.73
8 National assessment of physicians' breast-feeding knowledge, attitudes, training, and experience. JAMA 1995 2.39
9 Reactions of pediatricians to a new Centers for Disease Control recommendation for universal immunization of infants with hepatitis B vaccine. Pediatrics 1993 2.06
10 Safety of vaccinations. Miss America, the media, and public health. JAMA 1996 2.05
11 Concurrent DNA hypermethylation of multiple genes in acute myeloid leukemia. Cancer Res 1999 2.04
12 Second trimester ambulatory blood pressure in nulliparous pregnancy: a useful screening test for pre-eclampsia? Br J Obstet Gynaecol 1993 2.04
13 Variation in patient charges for vaccines and well-child care. Arch Pediatr Adolesc Med 1996 2.03
14 Direct cloning of polymerase chain reaction products in an XcmI T-vector. Anal Biochem 1994 1.99
15 Extensive DNA methylation spanning the Rb promoter in retinoblastoma tumors. Cancer Res 1997 1.95
16 Peptide and nucleotide sequences of rat CD4 (W3/25) antigen: evidence for derivation from a structure with four immunoglobulin-related domains. Proc Natl Acad Sci U S A 1987 1.95
17 Not without my permission: parents' willingness to permit use of newborn screening samples for research. Public Health Genomics 2009 1.92
18 Computerized medication monitoring system. Am J Hosp Pharm 1976 1.78
19 Detailed methylation analysis of the glutathione S-transferase pi (GSTP1) gene in prostate cancer. Oncogene 1999 1.75
20 Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. I. Effects on abundance and diversity. Philos Trans R Soc Lond B Biol Sci 2003 1.73
21 Primary care role in the management of childhood depression: a comparison of pediatricians and family physicians. Pediatrics 2000 1.71
22 Pediatrician involvement in breast-feeding promotion: a national study of residents and practitioners. Pediatrics 1995 1.63
23 Breast-feeding education and practice in family medicine. J Fam Pract 1995 1.62
24 Randomized placebo-controlled trial of the activity of the morphine glucuronides. Clin Pharmacol Ther 2000 1.61
25 Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. II. Within-field epigeal and aerial arthropods. Philos Trans R Soc Lond B Biol Sci 2003 1.58
26 Invertebrate responses to the management of genetically modified herbicide-tolerant and conventional spring crops. I. Soil-surface-active invertebrates. Philos Trans R Soc Lond B Biol Sci 2003 1.57
27 Similarities in sequences and cellular expression between rat CD2 and CD4 antigens. J Exp Med 1987 1.57
28 Migration and genetic structure of the grain aphid (Sitobion avenae) in Britain related to climate and clonal fluctuation as revealed using microsatellites. Mol Ecol 2003 1.55
29 HIV-specific cellular and humoral immune responses in primary HIV infection. AIDS Res Hum Retroviruses 1996 1.51
30 Species heterogeneity in macrophage expression of the CD4 antigen. J Exp Med 1987 1.49
31 Determination of plasma viral load in HIV-1 infection by quantitative competitive polymerase chain reaction. AIDS 1993 1.48
32 Loss of p16INK4 expression by methylation is associated with lifespan extension of human mammary epithelial cells. Cancer Res 1998 1.45
33 Validation of ambulatory monitors in special populations. Am J Hypertens 1992 1.40
34 Bisulfite sequencing in preimplantation embryos: DNA methylation profile of the upstream region of the mouse imprinted H19 gene. Genomics 1998 1.36
35 Cytosine methylation: quantitation by automated genomic sequencing and GENESCAN analysis. Biotechniques 1996 1.34
36 Weeds in fields with contrasting conventional and genetically modified herbicide-tolerant crops. II. Effects on individual species. Philos Trans R Soc Lond B Biol Sci 2003 1.30
37 Loss of annexin II heavy and light chains in prostate cancer and its precursors. Cancer Res 2001 1.25
38 Influences on the receipt of well-child visits in the first two years of life. Pediatrics 1999 1.25
39 Disinfection/sterilization of extracted teeth for dental student use. J Dent Educ 2001 1.20
40 Virologic and immunologic characterization of symptomatic and asymptomatic primary HIV-1 infection. J Acquir Immune Defic Syndr Hum Retrovirol 1995 1.20
41 Universal hepatitis B immunization of infants: reactions of pediatricians and family physicians over time. Pediatrics 1994 1.20
42 DNA methylation profile of the mouse skeletal alpha-actin promoter during development and differentiation. Mol Cell Biol 1999 1.19
43 A distinct sequence (ATAAA)n separates methylated and unmethylated domains at the 5'-end of the GSTP1 CpG island. J Biol Chem 2000 1.14
44 Hypermethylation of E-cadherin in leukemia. Blood 2000 1.12
45 Pediatrician and family physician prescription of selective serotonin reuptake inhibitors. Pediatrics 2000 1.10
46 Family physician acceptance of universal hepatitis B immunization of infants. J Fam Pract 1993 1.09
47 Long-range epigenetic silencing at 2q14.2 affects most human colorectal cancers and may have application as a non-invasive biomarker of disease. Br J Cancer 2009 1.08
48 Isolation of a clone containing human histone genes. Nucleic Acids Res 1981 1.08
49 Pathogenesis of aqueductal occlusion in congenital murine hydrocephalus. J Neurosurg 1976 1.08
50 Conversion of maternal cortisol to cortisone during placental transfer to the human fetus. Am J Obstet Gynecol 1974 1.08
51 The two forms of the beta-subunit of initiation factor-2 from reticulocyte lysates arise from proteolytic degradation. Biochim Biophys Acta 1989 1.06
52 Epigenetic-induced repression of microRNA-205 is associated with MED1 activation and a poorer prognosis in localized prostate cancer. Oncogene 2012 1.06
53 Cytosines adjacent to methylated CpG sites can be partially resistant to conversion in genomic bisulfite sequencing leading to methylation artifacts. Anal Biochem 1998 1.04
54 Sequence-specific methylation of the mouse H19 gene in embryonic cells deficient in the Dnmt-1 gene. Dev Genet 1998 1.04
55 Pediatrician and family physician agreement with and adoption of universal hepatitis B immunization. J Fam Pract 1996 0.98
56 Mapping the regulatory sequences controlling 93 breast cancer-associated miRNA genes leads to the identification of two functional promoters of the Hsa-mir-200b cluster, methylation of which is associated with metastasis or hormone receptor status in advanced breast cancer. Oncogene 2012 0.98
57 Predatory behaviour of trapping fungi against srf mutants of Caenorhabditis elegans and different plant and animal parasitic nematodes. Parasitology 1999 0.98
58 Implications of predator foraging on aphid pathogen dynamics. J Invertebr Pathol 1998 0.96
59 Pseudotumor cerebri associated with initiation of levothyroxine therapy for juvenile hypothyroidism. N Engl J Med 1983 0.93
60 Effect of seasonal abiotic conditions and field margin habitat on the activity of Pandora neoaphidis inoculum on soil. J Invertebr Pathol 2007 0.93
61 Adopting immunization recommendations: a new dissemination model. Matern Child Health J 1998 0.92
62 Ban on triazine herbicides likely to reduce but not negate relative benefits of GMHT maize cropping. Nature 2004 0.92
63 The role of state policies and programs in buffering the effects of poverty on children's immunization receipt. Am J Public Health 1999 0.92
64 Cancer-specific region of hypermethylation identified within the HIC1 putative tumour suppressor gene in acute myeloid leukaemia. Leukemia 1999 0.91
65 Peristalsis abolishes the release of methionine-enkephalin from guinea-pig ileum in vitro. Eur J Pharmacol 1981 0.89
66 Skin surface lipids of the dog. Lipids 1977 0.89
67 Effect of fungal infection on the reproductive potential of aphids and their progeny. J Invertebr Pathol 2006 0.89
68 The effect of natural enemies on the spread of barley yellow dwarf virus (BYDV) by Rhopalosiphum padi (Hemiptera: Aphididae). Bull Entomol Res 2001 0.86
69 Increased DNA methyltransferase expression in leukaemia. Leukemia 1998 0.86
70 The release of Met-enkephalin from the guinea-pig ileum at rest and during peristaltic activity. Life Sci 1983 0.85
71 Impact of North Carolina's universal vaccine purchase program by children's insurance status. Arch Pediatr Adolesc Med 1999 0.85
72 Mutation and methylation analysis of TP53 in adrenal carcinogenesis. Eur J Surg Oncol 2005 0.84
73 Collagen and calcium-binding EGF domains 1 is frequently inactivated in ovarian cancer by aberrant promoter hypermethylation and modulates cell migration and survival. Br J Cancer 2009 0.84
74 Opiate-induced inhibition of the visceral distension reflex by peripheral and central mechanisms. Naunyn Schmiedebergs Arch Pharmacol 1985 0.84
75 The influence of ambulatory blood pressure monitoring on the design and interpretation of trials in hypertension. J Hypertens 1992 0.83
76 Impact of a new universal purchase vaccine program in North Carolina. Arch Pediatr Adolesc Med 1997 0.83
77 Statistical models to evaluate invertebrate-plant trophic interactions in arable systems. Bull Entomol Res 2007 0.83
78 Breast-feeding education of obstetrics-gynecology residents and practitioners. Am J Obstet Gynecol 1995 0.83
79 Intraguild interactions between the entomopathogenic fungus Pandora neoaphidis and an aphid predator and parasitoid at the population scale. J Invertebr Pathol 2009 0.82
80 State-level perspectives on immunization policies, practices, and program financing in the 1990s. Am J Prev Med 2000 0.82
81 Population-scale laboratory studies of the effect of transgenic plants on nontarget insects. Mol Ecol 2001 0.82
82 Development and protective efficacy of a recombinant-DNA derived fimbrial vaccine against enterotoxic colibacillosis in neonatal piglets. Vaccine 1988 0.82
83 Reference ranges for newer thyroid function tests in premature infants. J Pediatr 1995 0.82
84 Viral dynamics in primary HIV-1 infection. Lancet 1993 0.81
85 Hormone ontogeny in the ovine fetus. XVII. Demonstration of pulsatile luteinizing hormone secretion by the fetal pituitary gland. Endocrinology 1984 0.81
86 Can junior doctors prescribe? Arch Dis Child 2008 0.81
87 Parametrization and validation of a force field for liquid-crystal forming molecules. Phys Rev E Stat Nonlin Soft Matter Phys 2002 0.81
88 Public-sector immunization coverage in 11 states: the status of rural areas. J Rural Health 1997 0.80
89 Cefoperazone: regression analysis, disk content, and disk susceptibility testing considerations. Antimicrob Agents Chemother 1982 0.80
90 Degradation of the sealing properties of a zinc oxide-calcium sulfate-based temporary filling material by entrapped cotton fibers. J Endod 2001 0.79
91 Clinical features, anthropometric characteristics, and racial influences on the 'white-coat effect' in a single-centre cohort of 1553 consecutive subjects undergoing routine ambulatory blood pressure monitoring. Blood Press Monit 2000 0.79
92 Effects of mild physical activity, atenolol and the combination on ambulatory blood pressure in hypertensive subjects. J Hypertens 1992 0.79
93 Laboratory studies of the effects of reduced prey choice caused by Bt plants on a predatory insect. Bull Entomol Res 2005 0.79
94 Chromosome lesions which could be interpreted as "fragile sites" on the distal end of Xq. Am J Med Genet 1990 0.79
95 Dielectric and vibrational properties of amino acids. J Chem Phys 2004 0.78
96 Evidence for gene flow and local clonal selection in field populations of the grain aphid (Sitobion avenae) in Britain revealed using microsatellites. Heredity (Edinb) 2004 0.78
97 Transmission of Pandora neoaphidis in the presence of co-occurring arthropods. J Invertebr Pathol 2008 0.78
98 Measurement of intraosseous pressures generated by the Wand, high-pressure periodontal ligament syringe, and the Stabident system. J Endod 2001 0.78
99 Denaturing gradient gel electrophoresis can rapidly display the bacterial diversity contained in 16S rDNA clone libraries. Microb Ecol 2006 0.78
100 Constructive use of race and ethnicity variables. Arch Pediatr Adolesc Med 2001 0.78
101 Effects of genetically modified herbicide-tolerant cropping systems on weed seedbanks in two years of following crops. Biol Lett 2006 0.78
102 Effect of tazolol on beta-adrenoceptors in isolated preparations of the guinea-pig and rat. J Pharm Pharmacol 1977 0.78
103 Age-related changes in serum free thyroxine during childhood and adolescence. J Pediatr 1993 0.78
104 Methods and outcomes of breastfeeding instruction for nursing students. J Hum Lact 1996 0.78
105 Theoretical adlayer surface morphology of wurtzite 2 × 2 reconstructions of the GaN(0001) surface. J Phys Condens Matter 2004 0.78
106 Nematicidal effects of cysteine proteinases against sedentary plant parasitic nematodes. Parasitology 2007 0.77
107 In-vitro metabolism of [3H]testosterone by scalp and back skin: conversion of testosterone into 5alpha-androstane-3beta, 17beta-diol. J Endocrinol 1977 0.77
108 Effect of derivative formation on the mass spectra of the estrogens. Anal Biochem 1971 0.77
109 The influences of sample distribution and age on reference intervals for adult males. Am J Clin Pathol 1983 0.77
110 Analysis of ambulatory blood pressure data. J Hypertens Suppl 1991 0.76
111 Ecotypes of the model legume Lotus japonicus vary in their interaction phenotypes with the root-knot nematode Meloidogyne incognita. Ann Bot 2007 0.76
112 Three-point appraisal of genetic linkage maps. Theor Appl Genet 2012 0.76
113 Importance of sampling frame in physician surveys. Arch Pediatr Adolesc Med 1995 0.75
114 Case 8. Periapical infection. J Endod 1999 0.75
115 Pediatrics: human growth hormone. West J Med 1986 0.75
116 British hypertension protocol. J Hypertens 1991 0.75
117 Troponin I versus troponin T: is there actually a debate in children with sepsis? Crit Care Med 2001 0.75
118 Automated counting of cells in cerebrospinal fluid. Clin Lab Haematol 2005 0.75
119 Cardiac troponin T in neonates. Acta Paediatr 2001 0.75
120 Management of congenital hypothyroidism. West J Med 1984 0.75
121 Reversible true precocious puberty secondary to a congenital arachnoid cyst. Am J Dis Child 1988 0.75
122 Serum free thyroxine concentration is not reduced in premature infants with respiratory distress syndrome. J Pediatr 1997 0.75
123 Oral idarubicin in patients with late chronic phase chronic myelogenous leukemia or chronic myelomonocytic leukemia. Leuk Lymphoma 2000 0.75
124 Newer developments in the analysis of steroidsby gas-chromatography. Methods Biochem Anal 1970 0.75
125 Understanding the optical spectroscopy of amphiphilic molecular rectifiers: a density functional approach. J Chem Phys 2010 0.75
126 Ab initio dynamics study of poly-para-phenylene vinylene. J Chem Phys 2005 0.75
127 Variable levels of carry over on platelet counts < or = 20 x 10(9)/l with the Bayer Advia 120. Int J Lab Hematol 2007 0.75
128 Class 4 choledochal cyst. South Med J 1986 0.75
129 Bohr's principle of complementarity. Ann Intern Med 1988 0.75
130 Chondrosarcoma of the cricoid: the role of larynx preservation. N J Med 1993 0.75
131 Seasonal distribution of live births in a rural community in the southern United States. Hum Ecol 1987 0.75
132 The agon motif. Exerc Sport Sci Rev 1976 0.75
133 Muon-spin relaxation study of the double perovskite insulators Sr2 BOsO6 (B  =  Fe, Y, ln). J Phys Condens Matter 2016 0.75
134 The high-pressure electronic structure of the [Ni(ptdt)2] organic molecular conductor. J Chem Phys 2012 0.75
135 An evaluation of the Sequoia-Turner Cell Dyn 900. Clin Lab Haematol 1985 0.75
136 Androgens in skin surface lipids. J Invest Dermatol 1973 0.75
137 Direct and indirect estimates of Pandora neoaphidis conidia in laboratory bioassays with aphids. J Invertebr Pathol 2003 0.75
138 Perforated colonic duplication masquerading as necrotising enterocolitis. Arch Dis Child Fetal Neonatal Ed 2008 0.75
139 Factors involved in the production of specific antibodies to estriol and estradiol. Steroids 1973 0.75
140 Mesocosm experiments to assess the transmission of Pandora neoaphidis within simple and mixed field margins and over the crop-margin interface. J Invertebr Pathol 2012 0.75
141 A local Fock-exchange potential in Kohn-Sham equations. J Phys Condens Matter 2016 0.75
142 Wheat containing snowdrop lectin (GNA) does not affect infection of the cereal aphid Metopolophium dirhodum by the fungal natural enemy Pandora neoaphidis. Transgenic Res 2005 0.75