1. Mastitis and abortion in dairy cattle associated with Leptospira of the serotype hardjo;Higgins;Vet. Rec.,1980
2. The significance of leptospiral antibodies in calving and abortion cattle in south west England;Little;Vet. Rec.,1980
3. Epidemiological study of Leptospira interrogans serovar hardjo from a viable premature calf;Hatway;Vet. Rec.,1983
4. Some examples of the use of epidemiological techniques in the study of leptospirosis;Pritchard,1986
5. Pritchard, D.G., Allsup, T.N., Pennycott, T.W., Palmer, N.M.A., Wooley, J.C. and Richards, M.S. Analysis of risk factors for infection of cattle with Leptospira interrogans serovar hardjo. In Proceedings of a Meeting Held at the University of Exeter on 12th, 13th and 14th of April 1989 (Ed. G.J. Rowlands). Society for Veterinary Epidemiology and Preventive Medicine, Edinburgh, pp. 130–138.