[Slijters: a cow problem or a farmer problem?].
Westerbeek
J A
JA
D000822:Animal Husbandry; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology / Q000517:prevention & control*; D015984:Causality; D005260:Female; D006801:Humans; D008892:Milk / Q000378:metabolism; D014611:Vaccination / Q000009:adverse effects / Q000662:veterinary*