1.
Dtsch Tierarztl Wochenschr
; 93(10): 491-2, 1986 Nov 21.
Article
in German
| MEDLINE
| ID: mdl-3542481
2.
Dtsch Tierarztl Wochenschr
; 93(1): 17-20, 1986 Jan 07.
Article
in German
| MEDLINE
| ID: mdl-3516630