title: The direct and specific opiate-like effect of met5-enkephalin and analogues on the spinal cord.
mesh_terms: D000818:Animals; D004305:Dose-Response Relationship, Drug; D004723:Endorphins / Q000494:pharmacology*; D004745:Enkephalins / Q000494:pharmacology*; D008297:Male; D009270:Naloxone / Q000494:pharmacology; D051381:Rats; D013116:Spinal Cord / Q000187:drug effects*; D013997:Time Factors
chemical_list: D004723:Endorphins; D004745:Enkephalins; D009270:Naloxone