title: Ethics committees. Separate criteria should be drawn up for questionnaire based epidemiological studies.
authors.forename: B
authors.initials: B
authors.lastname: Kaur
authors.forename: J
authors.initials: J
authors.lastname: Taylor
mesh_terms: D004813:Epidemiology; D017041:Ethics Committees; D006801:Humans; D012106:Research; D011795:Surveys and Questionnaires