@misc{indiciae04ed57365e46, title = {Decrease of PCDD/F levels in human blood--trend analysis for the German population, 1991-1996.}, author = {J Wittsiepe and P Schrey and U Ewers and M Wilhelm and F Selenka}, year = {2000}, doi = {10.1006/enrs.2000.4049}, url = {https://pubmed.ncbi.nlm.nih.gov/10845781/}, note = {Source identifier: 10845781} }