1.
Zentralbl Veterinarmed A
; 35(5): 356-79, 1988 May.
Article
in German
| MEDLINE
| ID: mdl-3138848
2.
Am J Vet Res
; 33(2): 339-47, 1972 Feb.
Article
in English
| MEDLINE
| ID: mdl-5059870