TY - GEN AU - Królik,Marta AU - Milnerowicz,Halina TI - The effect of using estrogens in the light of scientific research SN - 1899-5276 PY - 2013///0102 KW - Breast Neoplasms KW - etiology KW - Cell Transformation, Neoplastic KW - Estrogens KW - adverse effects KW - Humans N1 - Publication Type: Journal Article; Review ER -