Kohler, E M Enterotoxic activity of filtrates of escherichia coli in young pigs. [electronic resource] - American journal of veterinary research Dec 1968 - 2263-74 p. digital Publication Type: Journal Article ISSN: 0002-9645 Subjects--Topical Terms: AnimalsDiarrhea--etiologyEnterotoxinsEscherichia coli--immunologyEscherichia coli Infections--veterinaryEthanolEthersIon Exchange ResinsMethanolSwineSwine Diseases--immunologyVaccination