Tumbleson, M E Effect of source and level of dietary protein on liver enzyme systems in the young pig. [electronic resource] - The Journal of nutrition Aug 1966 - 487-94 p. digital Publication Type: Journal Article ISSN: 0022-3166 Standard No.: 10.1093/jn/89.4.487 doi Subjects--Topical Terms: Alanine Transaminase--analysisAnimalsDietary ProteinsFishesLiver--enzymologyPlant ProteinsGlycine maxSuccinate Dehydrogenase--analysisXanthine Oxidase--analysis