Portals of entry for bacterial infection in calves and piglets with particular reference to the tonsil.
D000818:Animals; D000831:Animals, Newborn; D001424:Bacterial Infections; D002417:Cattle; D007239:Infections; D008198:Lymph Nodes; D014066:Palatine Tonsil
ANIMALS, NEWBORN; INFECTION; LYMPH NODES; TONSIL