@misc{indiciae20e12c0ae2fb, title = {Decrease of PCDD/F levels in human blood from Germany over the past ten years (1989-1998).}, author = {J Wittsiepe and P Schrey and U Ewers and F Selenka and M Wilhelm}, doi = {10.1016/s0045-6535(99)00359-8}, url = {https://pubmed.ncbi.nlm.nih.gov/10739052/}, note = {Source identifier: 10739052} }