[Instruments, books and other objects memorable to (almost) forgotten opinions, therapies, buildings, etc. Collegue Jan Spruyt (1908-1973)].
D000818:Animals; D001947:Breeding / Q000266:history*; D002417:Cattle; D005260:Female; D049673:History, 20th Century; D007315:Insemination, Artificial / Q000266:history / Q000662:veterinary*; D008297:Male; D009426:Netherlands; D014730:Veterinary Medicine / Q000266:history*