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The Sarcomatous Transformation of Mammary Carcinoma, of Mice in Isologous Transplantates, in Cell Cultures, and in Reimplantates

“…The tumors of the various strains show structural differences which are due to genetic causes [2,3,10,[16][17][18][49][50][51]. In the older literature the malignancy of these growths had been doubted as their tissue texture was orderly and as they had no métastasés.…”