The relation between self-reported non-adherence to efavirenz and low plasmatic concentration among children and adolescents - Crozatti, Márcia Terezinha Lonardoni; França Junior, Ivan; Porta, Valentina; Kano, Eunice Kazue; Rodrigues, R; Brígido, Luís Fernando de Macedo; Ferrão, M. de S. C.; Campeas, A E; Marques, S; Della Negra, M; Raymundo, M C (International AIDS Conference, 2008)