P. Woo, S. Lau, J. Teng, H. Tse, и {. Yuen. Clinical Microbiology and Infection: The Official Publication of the European Society of Clinical Microbiology and Infectious Diseases, 14 (10):
908--934(октября 2008)PMID: 18828852.
S. Berrón, L. Fuente, E. Martín, и J. Vázquez. European Journal of Clinical Microbiology & Infectious Diseases: Official Publication of the European Society of Clinical Microbiology, 17 (2):
85--89(февраля 1998)PMID: 9629971.