title: Workshop 5--Sources of bias in cohort studies.
authors.affiliation: Clinical Epidemiology Group, Hong Kong Medical Journal.
authors.forename: Ignatius T S
authors.initials: IT
authors.lastname: Yu
authors.forename: Shelly L A
authors.initials: SL
authors.lastname: Tse
mesh_terms: D015982:Bias; D015331:Cohort Studies; D006801:Humans; D011446:Prospective Studies