A validation study of the WHO analgesic ladder: a two-step vs three-step strategy.
Maltoni M, Scarpi E, Modonesi C, Passardi A, Calpona S, Turriziani A, Speranza R, Tassinari D, Magnani P, Saccani D, Montanari L, Roudnas B, Amadori D, Fabbri L, Nanni O, Raulli P, Poggi B, Fochessati F, Giannunzio D, Barbagallo ML, Minnotti V, Betti M, Giordani S, Piazza E, Scapaticci R, Ferrario S.
Maltoni M, et al. Among authors: speranza r.
Support Care Cancer. 2005 Nov;13(11):888-94. doi: 10.1007/s00520-005-0807-6. Epub 2005 Apr 8.
Support Care Cancer. 2005.
PMID: 15818486
Clinical Trial.