D. H. Tsay

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In our radioimmunoassay laboratory, we handled around 110,000 blood samples for prostate specific antigen (PSA) tests for screening or disease diagnosis every year. It proved that PSA is still a clinically favorite and preferential item as a serum marker for prostate diseases, especially for urologist. Patients aged over 50 years who visit our urological(More)
Background: Infrared spectrometer has been developed recently as an alternative tool of mass spectrome-try for quantitative gas analysis in 13 C-urea breath test (UBT). This investigation is to compare the diagnostic efficacy of infrared spectrometer with mass spectrome-try for UBT in the evaluation of Helicobacter pylori (H. pylori) infection. Methods:(More)
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