title: Calcium effects in opiate analgesia, tolerance and physical dependence.
mesh_terms: D000698:Analgesia; D000818:Animals; D001921:Brain / Q000378:metabolism; D002118:Calcium / Q000378:metabolism / Q000494:pharmacology*; D004361:Drug Tolerance; D004723:Endorphins / Q000494:pharmacology; D006801:Humans; D007811:Lanthanum / Q000494:pharmacology; D051379:Mice; D009020:Morphine / Q000008:administration & dosage / Q000037:antagonists & inhibitors* / Q000494:pharmacology; D051381:Rats; D019966:Substance-Related Disorders
chemical_list: D004723:Endorphins; D007811:Lanthanum; D009020:Morphine; D002118:Calcium