1. Leptospirosis in man and animals;Alston,1958
2. Leptospirosis;Blood,1989
3. CDC Summary of Notifiable Diseases United States 1986;Center for Disease Control;Morbid. Mortal. Weekly Rep.,1987
4. CDC Summary of Notifiable Diseases United States 1986;Center for Disease Control;Morbid. Mortal. Weekly Rep.,1987
5. Leptospiral infection in horses in Northern Ireland: Serological and microbiological findings;Ellis;Equine Vet. J.,1983