title: Chloro-substituent sites and probability of co-planarity in polychlorinated biphenyls in determining uroporphyrin formation in cultured liver cells.
mesh_terms: D002478:Cells, Cultured; D008099:Liver / Q000378:metabolism*; D008968:Molecular Conformation; D011078:Polychlorinated Biphenyls / Q000494:pharmacology*; D011166:Porphyrins / Q000378:metabolism*; D013329:Structure-Activity Relationship; D014578:Uroporphyrins / Q000378:metabolism*
chemical_list: D011166:Porphyrins; D014578:Uroporphyrins; D011078:Polychlorinated Biphenyls