Fig. 2
From: Environmental radon exposure and breast cancer risk in the Nurses’ Health Study II
U.S. county-level average annual radon exposure (top) and U.S. Census Bureau regions (bottom)
Fig. 2 | Environmental Health
From: Environmental radon exposure and breast cancer risk in the Nurses’ Health Study II
U.S. county-level average annual radon exposure (top) and U.S. Census Bureau regions (bottom)
Environmental Health