The relationship between enantiomeric fraction and concentration of a-hexachlorocyclohexane in human placentas Publication Attachment: 04-319.pdf Authors: Shen, Heqing, Main, Katharina, Kaleva, Marko, Schmidt, Ida, Boisen, K, Chellakooty, M, Damgaard, Ida, Virtanen, H, Haavisto, AM, Skakkebaek, Niels, Toppari, Jorma, Schramm, Karl-Werner Year: 2004