Herruzo R, Vizcaíno M J, Herruzo I, de la Cruz J J
Department of Preventive Medicine, Public Health and Microbiology, Madrid Autonomous University, Spain.
Eur J Clin Microbiol Infect Dis. 2009 May;28(5):539-41. doi: 10.1007/s10096-008-0648-6. Epub 2008 Oct 25.