title: Requirements for drug development.
mesh_terms: D000818:Animals; D002986:Clinical Trials as Topic; D004341:Drug Evaluation; D005260:Female; D006801:Humans; D007880:Legislation, Drug; D009022:Morphine Derivatives / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D011247:Pregnancy; D012107:Research Design; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D009022:Morphine Derivatives