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Individual congeners of polychlorinated biphenyls (PCBs), including the highly toxic non-ortho coplanar 3,3',4,4'-tetrachlorobiphenyl (IUPAC No. 77), 3,3',4,4',5-pentachlorobiphenyl (IUPAC No. 126), and 3,3',4,4',5,5'-hexachlorobiphenyl (IUPAC No. 169), and their mono- and di-ortho analogs, have been identified and quantified in the blubber, liver, and(More)
Abdominal aortic aneurysm resections were performed on 941 patients between 1987 and 1991 in nine selected university vascular units in Poland. The aim of the study was (1) to determine how grave the problem of abdominal aortic aneurysms is in the main vascular centres in our country, (2) to evaluate the methods of management, (3) to trace the most common(More)