title: The importance of postmarketing drug surveillance.
authors: A J
authors: AJ
authors: Smart
authors: L
authors: L
authors: Walters
mesh_terms: D064420:Drug-Related Side Effects and Adverse Reactions; D004812:Epidemiologic Methods; D005069:Evaluation Studies as Topic; D006801:Humans; D011358:Product Surveillance, Postmarketing; D016032:Randomized Controlled Trials as Topic; D013019:South Africa