Nationwide PCB congener pattern analysis in freshwater fish samples in FranceM. Babut, A. Mathieu, S. Pradelle, P. Marchand, B. Le Bizec and O. PercevalKnowl. Managt. Aquatic Ecosyst., 407 (2012) 07DOI: https://doi.org/10.1051/kmae/2013033