Corkill J E, Graham R, Hart C A, Stubbs S
Royal Liverpool University Hospital, Department of Medical Microbiology, Prescot Street Liverpool L7 8XP Merseyside, United Kingdom.
J Clin Microbiol. 2000 Jul;38(7):2791-2. doi: 10.1128/JCM.38.7.2791-2792.2000.