A phase III randomized double-blind placebo-controlled clinical trial to determine the efficacy of low level laser therapy for the prevention of oral mucositis in patients undergoing hematopoietic cell transplantation - Shubert, Mark M; Eduardo, Fernanda de Paula; Guthrie, K. A; Franquin, J. C; Migliorati, Cesar Augusto; LLoid, C. M. E; Eduardo, Carlos de Paula; Nicolli Filho, Walter; Marques, Márcia Martins; Hamdi, M (Supportive Care in Cancer, 2007)