Fetal exposure to perfluorinated compounds and attention deficit hyperactivity disorder in childhood.

Human serum PFC levels showed an increasing pattern from the early 1970s through the late 1990s, followed by leveling out and a decreasing trend right after the phase-out of the production of PFOS and PFOS related compounds in 2002 [8] , [61] – [64] .

also in 47,180 other papers