title: Effects of sulfonated Leu-enkephalin applied iontophoretically to cat respiratory neurones.
mesh_terms: D000818:Animals; D002415:Cats; D004723:Endorphins / Q000494:pharmacology*; D004743:Enkephalin, Leucine / Q000031:analogs & derivatives; D004745:Enkephalins / Q000494:pharmacology*; D005971:Glutamates / Q000494:pharmacology; D007478:Iontophoresis; D009020:Morphine / Q000494:pharmacology; D009474:Neurons / Q000187:drug effects*; D010791:Phrenic Nerve / Q000187:drug effects; D012119:Respiration / Q000187:drug effects*
chemical_list: D004723:Endorphins; D004745:Enkephalins; D005971:Glutamates; D004743:Enkephalin, Leucine; D009020:Morphine; C032494:enkephalin-Leu, sulfonated