Cancer pain relief in Paraiba, Brazil.
Tróccoli
B T
BT
Keller
M L
ML
D000700:Analgesics / Q000600:supply & distribution / Q000627:therapeutic use*; D001938:Brazil; D006801:Humans; D009369:Neoplasms / Q000503:physiopathology*; D010146:Pain / Q000188:drug therapy* / Q000209:etiology; D010818:Practice Patterns, Physicians'
D000700:Analgesics