Birley H, Duerden B I, Hart C A
Department of Medical Microbiology and Genito-Urinary Medicine, University of Liverpool, Daulby Street, Liverpool L69 3GA and *2Department of Medical Microbiology and Public Health Laboratory, University of Wales College of Medicine, Heath Park, Cardiff CF14 4XN.
J Med Microbiol. 2002 Oct;51(10):793-807. doi: 10.1099/0022-1317-51-10-793.