Canada and the WHO Cancer Pain Relief Program.
Macdonald
N
N
D000700:Analgesics / Q000008:administration & dosage*; D002170:Canada; D006801:Humans; D009369:Neoplasms / Q000503:physiopathology*; D010146:Pain / Q000517:prevention & control*; D014944:World Health Organization
D000700:Analgesics