Schwartsmann Gilberto, Picon Paulo D
Faculty of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
Faculty of Medicine, Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
Lancet Oncol. 2007 Dec;8(12):1049-1050. doi: 10.1016/S1470-2045(07)70353-4.