title: Ethics approval for a national postal survey: recent experience.
authors.affiliation: National Perinatal Epidemiology Unit, Radcliffe Infirmary, Oxford.
authors.forename: C
authors.initials: C
authors.lastname: Middle
authors.forename: A
authors.initials: A
authors.lastname: Johnson
authors.forename: T
authors.initials: T
authors.lastname: Petty
authors.forename: L
authors.initials: L
authors.lastname: Sims
authors.forename: A
authors.initials: A
authors.lastname: Macfarlane
mesh_terms: D002985:Clinical Protocols; D026724:Ethical Review; D017041:Ethics Committees; D028744:Ethics Committees, Research; D006306:Health Surveys; D006801:Humans; D011177:Postal Service; D012109:Research Support as Topic / Q000706:statistics & numerical data; D006113:United Kingdom