Muñoz P, Sainz J, Rodríguez-Creixéms M, Santos J, Alcalá L, Bouza E
Department of Microbiology and Infectious Diseases, Hospital General Universitario "Gregorio Marañón," 28009 Madrid, Spain.
Clin Infect Dis. 1999 Dec;29(6):1591-2. doi: 10.1086/313542.