Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6811
Is Reference of Polychlorinated biphenyls-en#Sense
PCB-fr#Sense
PCB-en#Sense
PCB-nl#Sense
Polychlorobiphényles-fr#Sense
Polychloorbifenylen-nl#Sense