[Clinical aspect of pain. 13. Action mechanism of opioid analgesics].
Nakajima
M
M
D000701:Analgesics, Opioid / Q000627:therapeutic use*; D001921:Brain / Q000503:physiopathology; D006801:Humans; D009294:Narcotics / Q000627:therapeutic use*; D010146:Pain / Q000188:drug therapy* / Q000503:physiopathology
D000701:Analgesics, Opioid; D009294:Narcotics