Healthcare-associated infection in hematopoietic stem cell transplantation patients: risk factors and impact on outcome - Mendes, Elisa Teixeira; Dulley, Frederico; Basso, Mariusa; Batista, Marjorie Vieira; Coracin, Fabio; Guimarães, Thais; Shikanai-Yasuda, Maria Aparecida; Levin, Anna Sara; Costa, Silvia Figueiredo (International Journal of Infectious Diseases, 2012)