[Pig farmer and veterinarian: history].
de Maar
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RE
D000822:Animal Husbandry / Q000266:history*; D000818:Animals; D006691:Classical Swine Fever / Q000266:history*; D049673:History, 20th Century; D009426:Netherlands; D013552:Swine
Varkenshouder en dierenarts: historie.