11 Marc G. Weisskopf et al., Decreased sex ratio following maternal exposure to polychlorinated biphenyls from contaminated Great Lakes sport-caught fish: a retrospective cohort study, 12 March 2003, available at http://www.ejournal.net/content/2/1/2.
11 Marc G. Weisskopf et al., Decreased sex ratio following maternal exposure to polychlorinated biphenyls from contaminated Great Lakes sport-caught fish: a retrospective cohort study, 12 March 2003, available at http://www.ejournal.net/content/2/1/2.