SZUMOWSKI, P [Contribution to the study of the passage into the milk of synthetic estrogens implanted under the skin of heifers]. [electronic resource] - Recueil de medecine veterinaire Feb 1951 - 84-91 p. digital Publication Type: Journal Article ISSN: 0034-1843 Subjects--Topical Terms: AnimalsCattleDairy ProductsEstradiol CongenersEstrogensFemaleHumansMilk