[Actual problems with the Swiss SPF-programme (author's transl)].
D000822:Animal Husbandry; D000818:Animals; D005856:Germ-Free Life; D007886:Legislation, Veterinary; D011002:Pleuropneumonia, Contagious / Q000175:diagnosis; D013047:Specific Pathogen-Free Organisms; D013552:Swine; D013553:Swine Diseases / Q000175:diagnosis; D013557:Switzerland
Aktuelle Probleme des Schweizerischen SPF-Programmes.