Impairment of the reproductive potential of male fathead minnows by environmentally relevant exposures to 4-nonylphenolf Date Issued 2008 Author Schoenfuss, Heiko L. Bartell, Stephen E. Bistodeau, T. B. Cediel, Roberto A. Grove, Kent J. Zintek, L. Lee, Kathy E. Barber, Larry B. Main Topic Water Education, Outreach & Community Capacity