{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,26]],"date-time":"2025-09-26T00:10:39Z","timestamp":1758845439601,"version":"3.44.0"},"reference-count":21,"publisher":"BMJ","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J Clin Pathol"],"published-print":{"date-parts":[[1975,5]]},"abstract":"<jats:p>Serum gamma glutamyl transpeptidase (GGTP), isocitrate dehydrogenase (ICD), ornithine carbamoyl transferase (OCT), alanine aminotransferase (AlT), aspartate aminotransferase (AsT), and alkaline phosphatase (ALP) activities were assayed in 67 alcoholics and 40 drug dependent patients. Bilirubin, total protein, albumin, and globulin were also measured. GGTP elevation was observed in 48% of alcoholics and in 50% of drug dependents. The incidences of elevated levels of other enzymes were: ICD 39 and 38-7%; OCT 23-7 and 36-1%; AlT 30 and 33%; AsT 24-2 and 21-7%; ALP 10-4 and 5% respectively. Measurement of GGTP is thus more useful as a screening test for involvement of the liver in alcoholics and drug dependent patients than that of the other enzymes.<\/jats:p>","DOI":"10.1136\/jcp.28.5.414","type":"journal-article","created":{"date-parts":[[2007,6,9]],"date-time":"2007-06-09T00:50:46Z","timestamp":1181350246000},"page":"414-417","source":"Crossref","is-referenced-by-count":15,"title":["Serum enzyme levels in alcoholism and drug dependency."],"prefix":"10.1136","volume":"28","author":[{"given":"S","family":"Patel","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"P","family":"O'Gorman","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[1975,5,1]]},"reference":[{"key":"ref_1","first-page":"619","article-title":"On the cause of the increased activity of alkaline phosphatase and gamma-glutamyl transpeptidase in serum of patients with liver metastases","volume":"135","author":"Aronsen, K.F.; Hagerstrand, I.; Norden, J.G.; Pihl, B.","year":"1969","unstructured":"Aronsen, K. 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