TY - RPRT TI - Fate of 4-nonylphenol and 17β-estradiol in the Redwood River of Minnesota AU - Jeffrey H. Writer AU - Joseph N. Ryan AU - Steffanie H. Keefe AU - Larry B. Barber PY - 2011 DO - 10.1021/es2031664 UR - https://pubs.usgs.gov/publication/70032656 ID - 70032656 ER -