Season variation in serum-thyroxine.
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Adult↗
Biomedical subjects
Publications and source records attributed to G H McLellan.
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The usefulness of serum gamma-glutamyl transpeptidase activity (gammaGT) was studied in 39 patients on whom a bromsulphthalein retention test (BSP) was performed. In most patients, the potentially hazardous BSP test did not give any further evidence of hepatic disease over conventional hepatic function tests and the gammaGT.