[Predecessors: veterinarians from earlier times (48). Heinrich Albert Johne (1839-1910)].
Mathijsen
A
A
Oldenkamp
E P
EP
D000818:Animals; D005260:Female; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D008297:Male; D010283:Paratuberculosis / Q000266:history; D011247:Pregnancy; D014730:Veterinary Medicine / Q000266:history