TY - RPRT TI - Estrogen and androgen receptor activities of hydraulic fracturing chemicals and surface and ground water in a drilling-dense region AU - Christopher D. Kassotis AU - Donald E. Tillitt AU - J. Wade Davis AU - Anette M. Hormann AU - Susan C. Nagel PY - 2014 DO - 10.1210/en.2013-1697 UR - https://pubs.usgs.gov/publication/70097332 ID - 70097332 ER -