@misc{indiciaee6eea8f6ef6a, title = {Polychlorinated biphenyls and 2,3,7,8-tetrachlorodibenzo-p-dioxin equivalents in tree swallows from the upper Hudson River, New York State, USA}, author = {Anne L. Secord and John P. McCarty and Kathy R. Echols and John C. Meadows and Robert W. Gale and Donald E. Tillitt}, year = {1999}, doi = {10.1002/etc.5620181119}, url = {https://pubs.usgs.gov/publication/70174040}, note = {Source identifier: 70174040} }