title: Ethical and legal considerations associated with clinical field trials. Discussion.
mesh_terms: D002986:Clinical Trials as Topic; D003731:Dental Caries / Q000517:prevention & control*; D004990:Ethics, Dental; D006805:Human Experimentation; D006801:Humans; D007879:Legislation, Dental; D012107:Research Design; D012306:Risk; D012574:Schools