Jule E. Harries

Estrogenic activity in five United Kingdom rivers detected by measurement of vitellogenesis in caged male trout

John P. Sumpter, Peter Matthiessen, Susan Jobling, 1997 .

Long-Term Temporal Changes in the Estrogenic Composition of Treated Sewage Effluent and Its Biological Effects on Fish

John P. Sumpter, Charles R. Tyler, Steven Morris, 2000 .