Moore J E, McCalmont M, Xu Jiru, Nation G, Tinson A H, Crothers L, Harron D W G
Northern Ireland Public Health Laboratory, Department of Bacteriology, Belfast City Hospital, Belfast, Northern Ireland, BT9 7AD.
Trop Anim Health Prod. 2002 Jul;34(4):283-7. doi: 10.1023/a:1015626601014.