Lipschutz, A Pathological changes induced in the uterus of mice with the prolonged administration of progesterone and 19-nor-contraceptives. [electronic resource] - British journal of cancer Mar 1967 - 160-5 p. digital Publication Type: Journal Article ISSN: 0007-0920 Standard No.: 10.1038/bjc.1967.15 doi Subjects--Topical Terms: AnimalsContraceptives, Oral--adverse effectsEndometriosis--chemically inducedFemaleMiceNorethindroneNorethynodrelProgesteroneSarcoma--chemically inducedUterine Neoplasms--chemically induced