The World Health Organization three-step analgesic ladder comes of age.
Reid
Colette
C
Davies
Andrew
A
D000700:Analgesics / Q000627:therapeutic use*; D003663:Decision Trees; D006801:Humans; D009369:Neoplasms; D010146:Pain / Q000517:prevention & control*; D014944:World Health Organization
D000700:Analgesics