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A statistically significant increase in total GGT serum level was found in the exposed subjects, which was associated with an increase in one of the two fractions normally present in healthy individuals (GGT\u20102), as well as with the appearance and progressive increase of the level of a fraction (GGT\u20104) considered to be an expression of hepato\u2010biliary impairment.<\/jats:p><jats:p>Further research is ongoing among these workers, which will clarify whether or not electrophoretic GGT tests may be useful in detecting liver function changes due to occupational exposure to PCE. \u00a9 1992 Wiley\u2010Liss, Inc.<\/jats:p>","DOI":"10.1002\/ajim.4700210506","type":"journal-article","created":{"date-parts":[[2007,4,19]],"date-time":"2007-04-19T15:27:08Z","timestamp":1176996428000},"page":"661-671","source":"Crossref","is-referenced-by-count":16,"title":["Gamma\u2010glutamyltransferase isoenzyme pattern in workers exposed to 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