title: Drug postmarketing studies--reply.
authors: Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.
authors: Kevin
authors: K
authors: Fain
authors: G Caleb
authors: GC
authors: Alexander
mesh_terms: D004345:Drug Industry / Q000706:statistics & numerical data*; D011358:Product Surveillance, Postmarketing / Q000706:statistics & numerical data*; D014486:United States Food and Drug Administration