RT Journal Article SR Electronic T1 Serum enzymes in diseases of the thyroid gland JF Journal of Clinical Pathology JO J Clin Pathol FD BMJ Publishing Group Ltd and Association of Clinical Pathologists SP 660 OP 663 DO 10.1136/jcp.18.5.660 VO 18 IS 5 A1 P. D. Griffiths YR 1965 UL http://jcp.bmj.com/content/18/5/660.abstract AB Serum enzyme assays have been carried out in 66 patients suffering from diseases of the thyroid gland. Sixty per cent. of the hypothyroid patients had increased levels of aldolase and glutamic oxaloacetic transaminase, and 90% had high activities of creatine kinase. The significance of these findings, especially with regard to creatine kinase, is discussed.