title: Effect of D-ala2-methionine-enkephalinamide on respiration.
mesh_terms: D000818:Animals; D004723:Endorphins / Q000494:pharmacology*; D004745:Enkephalins / Q000008:administration & dosage / Q000494:pharmacology*; D007276:Injections, Intraventricular; D008297:Male; D051381:Rats; D012119:Respiration / Q000187:drug effects*
chemical_list: D004723:Endorphins; D004745:Enkephalins