Cooperative Fish and Wildlife Research Units Program: Oregon
Education, Research and Technical Assistance for Managing Our Natural Resources

Schwindt, A.R., M.L. Kent, L.K. Ackerman, S.L. Massey Simonich, D.H. Landers, T. Blett, and C.B. Schreck. 2009. Reproductive abnormalities in trout from western U.S. National parks. Transactions of the American Fisheries Society. 138:522-531.