title: Studies on Escherichia coli in pigs. 3. Serological investigations of "unclassified" Escherichia coli strains.
mesh_terms: D000372:Agglutination Tests / Q000662:veterinary; D000818:Animals; D004926:Escherichia coli / Q000145:classification / Q000276:immunology*; D004927:Escherichia coli Infections / Q000662:veterinary*; D013552:Swine; D013553:Swine Diseases / Q000382:microbiology*