1.
Dtsch Tierarztl Wochenschr
; 80(21): 493-5, 1973 Nov 01.
Article
in German
| MEDLINE
| ID: mdl-4587371
2.
Dtsch Tierarztl Wochenschr (1946)
; 77(19): 518-21, 1970 Oct 01.
Article
in German
| MEDLINE
| ID: mdl-4919329