title: Effects of morphine on brainstem neurones in naive and chronic morphine-treated rats, and effects of PCPA.
mesh_terms: D000818:Animals; D001933:Brain Stem / Q000166:cytology / Q000187:drug effects*; D004326:Drinking / Q000187:drug effects; D004435:Eating / Q000187:drug effects; D010134:Fenclonine / Q000494:pharmacology*; D006801:Humans; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D009021:Morphine Dependence / Q000503:physiopathology*; D009043:Motor Activity / Q000187:drug effects; D009474:Neurons / Q000187:drug effects* / Q000502:physiology; D051381:Rats; D013375:Substance Withdrawal Syndrome / Q000503:physiopathology
chemical_list: D009020:Morphine; D010134:Fenclonine