I. T. Lancaster

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To the Editor: We were interested to read the recent paper by Oremek and Seiffert relating to serum PSA [1] and wish to report our preliminary findings of decreased serum PSA concentrations in men after acute myocardial infarction (AMI). Our study was prompted by questions regarding an apparently spurious result in a man whose serum PSA had been measured(More)
Background Thyroid-stimulating hormone (TSH) is used as the first-line test of thyroid function. Siemens Healthcare Diagnostics recommend that Siemens Centaur reagents must be protected from light in the assay information and on reagent packaging. We have compared the effect of light exposure on results using Siemens TSH-3Ultra and follicle-stimulating(More)
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