title: Respiratory and cardiovascular effects of met-enkephalin applied to the ventral surface of the brain stem.
mesh_terms: D000818:Animals; D001794:Blood Pressure / Q000187:drug effects*; D001933:Brain Stem / Q000187:drug effects*; D002415:Cats; D004723:Endorphins / Q000494:pharmacology*; D004745:Enkephalins / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D006339:Heart Rate / Q000187:drug effects*; D009270:Naloxone / Q000494:pharmacology; D012119:Respiration / Q000187:drug effects*; D013990:Tidal Volume; D013997:Time Factors
chemical_list: D004723:Endorphins; D004745:Enkephalins; D009270:Naloxone