title: Post marketing surveillance. Traps for the unwary.
abstract: General practitioners are being asked increasingly to participate in post marketing surveillance studies. These studies may be valuable or worthless; it is important to be aware of the factors that distinguish one from the other before agreeing to participate.
authors.affiliation: Department of Community Medicine, University of Adelaide.
authors.forename: J
authors.initials: J
authors.lastname: Marley
authors.forename: A
authors.initials: A
authors.lastname: Mant
mesh_terms: D002986:Clinical Trials as Topic; D064420:Drug-Related Side Effects and Adverse Reactions; D005194:Family Practice; D006801:Humans; D011358:Product Surveillance, Postmarketing