TY - BOOK AU - Yrjänheikki,Erkki J. ED - World Health Organization. TI - Levels of PCBs, PCDDs, and PCDFs in human milk and blood: second round of quality control studies SN - 8777490630 SN - 0904-8790 PY - 1991/// CY - Copenhagen PB - FADL KW - Polychlorinated biphenyls KW - analysis KW - Benzofurans KW - Dioxins KW - Milk, Human KW - chemistry KW - Blood chemical analysis N1 - Published on behalf of the World Health Organization, Regional Office for Europe by FADL; 10 UR - http://apps.who.int/iris/ ER -