Reproductive health of bass in the potomac, USA, drainage: Part 2. Seasonal occurrence of persistent and emerging organic contaminants - Alvarez, D.A.; Cranor, W.L.; Perkins, S.D.; Schroeder, V.L.; Iwanowicz, L. R.; Clark, R.C.; Guy, C.P.; Pinkney, A.E.; Blazer, V. S.; Mullican, J.E. (Environmental Toxicology and Chemistry, 2009)