TY - RPRT TI - Aqueous exposure to the progestin, levonorgestrel, alters anal fin development and reproductive behavior in the eastern mosquitofish (Gambusia holbrooki) AU - Tyler E. Frankel AU - Michael T. Meyer AU - Edward F. Orlando PY - 2016 DO - 10.1016/j.ygcen.2016.01.007 UR - https://pubs.usgs.gov/publication/70191886 ID - 70191886 ER -