A comparison of the analgesic and respiratory effects of dihydrocodeine and morphine in man.
D000700:Analgesics; D019069:Cell Respiration; D003061:Codeine / Q000031:analogs & derivatives; D006801:Humans; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D012119:Respiration / Q000187:drug effects*
D000700:Analgesics; D009020:Morphine; C014481:dihydrocodeine; D003061:Codeine
CODEINE/related compounds; MORPHINE/effects; RESPIRATION/effect of drugs on