@misc{indiciae9f0fe44566b5, title = {Methodological refinements in the determination of 146 polychlorinated biphenyls, including non-ortho- and mono-ortho-substituted PCBs, and 26 organochlorine pesticides as demonstrated in heron eggs}, author = {S. Chu and Chia-Swee Hong and Barnett A. Rattner and P. C. McGowan}, year = {2003}, doi = {10.1021/ac0205560}, url = {https://pubs.usgs.gov/publication/5223957}, note = {Source identifier: 5223957} }