Quality assessment of PCB, PCDD and PCDF analysis : third round of WHO-coordinated study. 

 - 87p. 
 - (Environemtal health in Europe ; no. 2). .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Polychlorinated biphenyls--Analysis<br/>Dioxins--Analysis<br/>Benzofurans--Analysis<br/>Milk, Human<br/>Blood--Analysis