Maternal serum concentrations of perfluoroalkyl acids in five international birth cohorts.

Bjerregaard-Olesen, C.; Bossi, R.; Liew, Z.; Long, M.; Bech, B. H.; Olsen, J.; Henriksen, T. B.; Berg, V.; Nøst, T. H.; Zhang, J. .J.; Bonefeld-Jørgensen, E. C.