title: Stress induced facilitation of opiate catalepsy in the rat.
mesh_terms: D000818:Animals; D002375:Catalepsy / Q000139:chemically induced*; D004777:Environment; D006801:Humans; D008297:Male; D009043:Motor Activity / Q000187:drug effects; D009294:Narcotics / Q000494:pharmacology*; D051381:Rats; D013312:Stress, Physiological / Q000503:physiopathology*
chemical_list: D009294:Narcotics