Richard Coston

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Detection of alpha-fetoprotein in adult sera has proved helpful in diagnosis of primary liver carcinoma; detection of trace amounts in maternal sera during pregnancy can signal fetal distress and/or fetal death. A latex-agglutination assay for alpha-fetoprotein (AFP) has been evaluated and compared to results from tests using counter-immunoelectrophoresis(More)
Vitamin B12 deficiency is emerging as a growing public health problem. The most commonly used diagnostic tests are limited in accuracy, sensitivity, and are non-specific for B12 deficiency. The aim of this study was to develop a simple B12 breath test (BBT) to more accurately evaluate vitamin B12 status as an alternative to the most common diagnostic test,(More)
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