Narcotic analgesics: possibility of broadening the structural basis of analgesics.
D000700:Analgesics / Q000494:pharmacology*; D000818:Animals; D001794:Blood Pressure / Q000187:drug effects; D002415:Cats; D002626:Chemistry, Pharmaceutical; D003061:Codeine; D009020:Morphine; D009294:Narcotics / Q000494:pharmacology*; D012119:Respiration / Q000187:drug effects
D000700:Analgesics; D009294:Narcotics; D009020:Morphine; D003061:Codeine