title: Some pharmacological properties of FK 33-824, a stable orally active analogue of methionine enkephalin.
mesh_terms: D000818:Animals; D004723:Endorphins / Q000494:pharmacology*; D004745:Enkephalins / Q000008:administration & dosage / Q000494:pharmacology*; D000882:Haplorhini; D006801:Humans; D007276:Injections, Intraventricular; D008253:Macaca mulatta; D051379:Mice; D009020:Morphine / Q000494:pharmacology; D009021:Morphine Dependence / Q000503:physiopathology; D011817:Rabbits; D051381:Rats; D011930:Reaction Time / Q000187:drug effects; D013997:Time Factors
chemical_list: D004723:Endorphins; D004745:Enkephalins; D009020:Morphine