Fractionation of PCDD/F and PCB in SPE Carbon Tubes. Comparison to other Fractionation Methods in Human Plasma Analysis Publication Attachment: 00-59.pdf Authors: Cabes, M, Montana, MJ, Diaz-Ferrero, J, Marti, R, Broto-Puig, F, Comellas L, Rodriguez-Larena, MC Year: 2000