title: A study of outbreaks of Aujeszky's disease in cattle. II. Further investigations on the routes of infection.
mesh_terms: D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000635:transmission*; D003718:Denmark; D005260:Female; D011557:Pseudorabies / Q000635:transmission*; D013552:Swine; D013553:Swine Diseases / Q000635:transmission*