title: Opioid peptides as drug products: FDA regulatory requirements.
mesh_terms: D004341:Drug Evaluation; D004723:Endorphins / Q000592:standards* / Q000627:therapeutic use / Q000633:toxicity; D006801:Humans; D007880:Legislation, Drug; D012306:Risk; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D004723:Endorphins