title: Bias in the evaluation of low-magnitude associations: an empirical perspective.
authors.affiliation: Slone Epidemiology Unit, Boston University School of Medicine, Brookline, MA, USA. sshapiro@slone.bu.edu
authors.forename: S
authors.initials: S
authors.lastname: Shapiro
mesh_terms: D015982:Bias; D001943:Breast Neoplasms / Q000139:chemically induced* / Q000453:epidemiology*; D016022:Case-Control Studies; D015984:Causality; D003276:Contraceptives, Oral / Q000009:adverse effects*; D004781:Environmental Exposure / Q000009:adverse effects*; D015340:Epidemiologic Research Design; D005260:Female; D006801:Humans; D015201:Meta-Analysis as Topic; D015203:Reproducibility of Results; D012306:Risk; D012307:Risk Factors
chemical_list: D003276:Contraceptives, Oral