title: Should observational clinical studies require ethics committee approval?
authors.forename: Bernadetta
authors.initials: B
authors.lastname: Moser
authors.forename: Georg
authors.initials: G
authors.lastname: Röggla
mesh_terms: D002986:Clinical Trials as Topic / Q000191:economics / Q000941:ethics*; D017041:Ethics Committees; D005378:Financial Support / Q000941:ethics*; D019370:Observation