007240000a22002050004500003000900000005001700009020001500026110005900041264006700100490003100167700002600198245015100224300000900375041000800384650004000392650002600432650002200458650002700480040001100507PH-MaWHO20241108112533.0  a8774372548  aWorld Health Organization. Regional Office for Europe.  aCopenhagen : bFADL for WHO Regional Office for Europe,c1989.  aEnvironmental health ; 34.  aYrjanheikki, Erkki J.  aLevels of PCBs, PCDDs, and PCDFs in breast milk : results of WHO-coordinated interlaboratory quality control studies and analytical field studies.  a92p.  aeng  aPolychlorinated biphenylsxAnalysis  aBenzofuransxAnalysis  aDioxinsxAnalysis  aMilk, HumanxChemistry  aWHOLIS