1.
J Am Vet Med Assoc
; 155(3): 518-24, 1969 Aug 01.
Article
in English
| MEDLINE
| ID: mdl-5816060
2.
J Am Vet Med Assoc
; 153(12): 1610-3, 1968 Dec 15.
Article
in English
| MEDLINE
| ID: mdl-5749690