title: Acute and chronic effects of morphine on transmembrane potential and on short-circuit current in isolated toad skin: apparent morphine dependence.
mesh_terms: D000818:Animals; D001001:Anura; D002118:Calcium / Q000494:pharmacology; D004347:Drug Interactions; D006801:Humans; D066298:In Vitro Techniques; D007545:Isoproterenol / Q000494:pharmacology; D008564:Membrane Potentials / Q000187:drug effects; D009020:Morphine / Q000494:pharmacology*; D009021:Morphine Dependence / Q000503:physiopathology*; D012867:Skin / Q000187:drug effects*; D012879:Skin Physiological Phenomena; D013997:Time Factors
chemical_list: D009020:Morphine; D007545:Isoproterenol; D002118:Calcium