title: Efficacy vs effectiveness--reply.
authors.forename: Jun
authors.initials: J
authors.lastname: Ma
authors.forename: M Kaye
authors.initials: MK
authors.lastname: Kramer
authors.forename: Paul
authors.initials: P
authors.lastname: Ciechanowski
mesh_terms: D003920:Diabetes Mellitus / Q000517:prevention & control*; D005260:Female; D006801:Humans; D008297:Male; D011320:Primary Health Care; D061217:Weight Reduction Programs