title: [Health services: practitioner plays a crucial role in prevention programmes].
authors.forename: C
authors.initials: C
authors.lastname: van der Houwen
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000517:prevention & control*; D006801:Humans; D010819:Physician's Role; D018634:Veterinarians