Early developmental effects of separate or combined perinatal exposure to methylmercury (MeHg) and 2,2',4,4',5,5'-hexachlorobiphenyl (PCB 153) in the rat - Sitarek, Krystyna; Gralewicz, Sławomir (Instytut Medycyny Pracy w Łodzi im. prof. J. Nofera)