The Edmonton Staging System.
Walker
P
P
Watanabe
S
S
Taube
A
A
D000701:Analgesics, Opioid / Q000627:therapeutic use*; D006801:Humans; D009369:Neoplasms / Q000150:complications*; D010146:Pain / Q000145:classification / Q000188:drug therapy* / Q000209:etiology
D000701:Analgesics, Opioid