Clinical trial registry--update.
Novack
Gary D
GD
D002986:Clinical Trials as Topic / Q000331:legislation & jurisprudence*; D005128:Eye Diseases / Q000188:drug therapy*; D006801:Humans; D009885:Ophthalmology; D010601:Pharmacology, Clinical / Q000592:standards; D012042:Registries / Q000592:standards*; D014481:United States; D014486:United States Food and Drug Administration / Q000639:trends*