TY - JOUR A1 - Mansell, D S A1 - Bryson, R J A1 - Harter, T A1 - Webster, J P A1 - Kolodziej, E P A1 - Sedlak, D L T1 - Fate of endogenous steroid hormones in steer feedlots under simulated rainfall-induced runoff. Y1 - 2011/10/15 N1 - R833422 VL - 45 IS - 20 SP - 8811 EP - 8818 ER - TY - JOUR A1 - Webster, J P A1 - Kover, S C A1 - Bryson, R J A1 - Harter, T A1 - Mansell, D S A1 - Sedlak, D L A1 - Kolodziej, E P T1 - Occurrence of trenbolone acetate metabolites in simulated confined animal feeding operation (CAFO) runoff. Y1 - 2012/04/3 N1 - R833422 VL - 46 IS - 7 SP - 3803 EP - 3810 ER -