title: Actinomycin D and development of tolerance to morphine analgesia in rats.
mesh_terms: D000698:Analgesia; D000818:Animals; D003609:Dactinomycin / Q000008:administration & dosage / Q000494:pharmacology*; D004361:Drug Tolerance / Q000187:drug effects; D007274:Injections, Intraperitoneal; D007279:Injections, Subcutaneous; D008297:Male; D008722:Methods; D009020:Morphine / Q000008:administration & dosage / Q000494:pharmacology*; D051381:Rats; D011930:Reaction Time / Q000187:drug effects
chemical_list: D003609:Dactinomycin; D009020:Morphine