TY - GEN AU - Ganmaa,Davaasambuu AU - Enkhmaa,Davaasambuu AU - Baatar,Tsedmaa AU - Uyanga,Buyanjargal AU - Gantsetseg,Garmaa AU - Helde,Thomas T AU - McElrath,Thomas F AU - Cantonwine,David E AU - Bradwin,Gary AU - Falk,Roni T AU - Hoover,Robert N AU - Troisi,Rebecca TI - Maternal Pregnancy Hormone Concentrations in Countries with Very Low and High Breast Cancer Risk SN - 1660-4601 PY - 2020///1001 KW - Adult KW - Boston KW - epidemiology KW - Breast Neoplasms KW - Cross-Sectional Studies KW - Estradiol KW - blood KW - Estrone KW - Female KW - Humans KW - Mongolia KW - Pregnancy KW - Progesterone KW - Prolactin KW - Young Adult N1 - Publication Type: Journal Article; Research Support, N.I.H., Intramural UR - https://doi.org/10.3390/ijerph17030823 ER -