title: [Role of the ventral medullary area of rabbits in the inhibitory mechanism of morphine on respiration].
mesh_terms: D000818:Animals; D003864:Depression, Chemical; D004594:Electrophysiology; D008526:Medulla Oblongata / Q000502:physiology*; D009020:Morphine / Q000494:pharmacology*; D010791:Phrenic Nerve / Q000502:physiology; D011817:Rabbits; D012119:Respiration / Q000187:drug effects*
chemical_list: D009020:Morphine