Determination of PCBs, DDTs and HCB in hair, amniotic fluid and serum of pregnant women by headspace solid phase microextraction and gas chromatography–mass spectrometry (HSSPME/GC–MS). (16th October 2015) - Barmpas, M.; Tzatzarakis, M.; Vakonaki, E.; Kypraiou, A.; Barbounis, E.; Kavvalakis, M.; Sifakis, S.; Daskalakis, G.; Rakitskiy, V.N.; Tsatsakis, A.M.