title: Analgesia following intravenous administration of enkephalin analogues [proceedings].
mesh_terms: D000700:Analgesics; D000818:Animals; D004723:Endorphins / Q000494:pharmacology*; D004745:Enkephalins / Q000008:administration & dosage / Q000494:pharmacology*; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007275:Injections, Intravenous; D051379:Mice
chemical_list: D000700:Analgesics; D004723:Endorphins; D004745:Enkephalins