1.
Dtsch Tierarztl Wochenschr
; 87(12): 483-6, 1980 Dec 05.
Article
in German
| MEDLINE
| ID: mdl-7006975
2.
Dtsch Tierarztl Wochenschr (1946)
; 76(19): 504-9, 1969 Oct 01.
Article
in German
| MEDLINE
| ID: mdl-5390018