title: The role of hot plate and general environmental stimuli in morphine analgesic tolerance.
mesh_terms: D000701:Analgesics, Opioid; D000818:Animals; D004361:Drug Tolerance; D004777:Environment; D006358:Hot Temperature; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D051381:Rats
chemical_list: D000701:Analgesics, Opioid; D009020:Morphine