Selby, L A Effects of swine husbandry on the incidence of congenital malformations: a matched-paired study. [electronic resource] - Environmental research Mar 1973 - 77-83 p. digital Publication Type: Journal Article ISSN: 0013-9351 Standard No.: 10.1016/0013-9351(73)90019-4 doi Subjects--Topical Terms: Abnormalities, Multiple--veterinaryAnimal Nutritional Physiological PhenomenaAnimalsBreedingCongenital Abnormalities--epidemiologyMissouriPesticidesRetrospective StudiesSwine--growth & developmentSwine Diseases--congenitalTwins, Conjoined--veterinary