ENSMINGER, M E Observations on the thiamine, riboflavin, and choline needs of sows for reproduction. [electronic resource] - Journal of animal science Nov 1947 - 409-23 p. digital Publication Type: Journal Article ISSN: 0021-8812 Standard No.: 10.2527/jas1947.64409x doi Subjects--Topical Terms: AnimalsCholine--analogs & derivativesFemaleReproductionRiboflavinSwineThiamine--analogs & derivativesThiazoles