Ectrodactyly, ectodermal dysplasia, and clefting associated with thymic aplasia.
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Cleft Lip↗
Biomedical subjects
J C Segen
Publications and source records attributed to J C Segen.
Heterotopic bone formation occurring near a ligated ureter.
A case of heterotopic bone formation found in juxtaposition to an accidently ligated ureter is reported. This case may represent a human equivalent of induction of bone formation by urothelium, which was documented previously in experimental animals.
Aged↗
Pleomorphic adenoma of the breast with positive estrogen receptors.
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Adenoma, Pleomorphic↗
Choriogonadotropin measured with the Tandem-E immunoenzymetric assay system.
We evaluated the Hybritech Tandem-E procedure for quantifying choriogonadotropin (hCG) in human serum. In this "sandwich"-type assay, two monoclonal antibodies directed against different regions of the hCG molecule are used, one coated on a plastic bead, the second conjugated to alkaline phosphatase. The assay can detect as little as 1.0 int. unit of the hormone per liter, shows a linear response up to at least 200 int. units/L, and has good precision. By prolonging the incubations for formation of the sandwich and for substrate hydrolysis, one can achieve higher sensitivity at the expense of a narrower linear range. Correlation with a conventional radioimmunoassay for the beta subunit of hCG was generally excellent, but in one instance the Tandem-E gave an apparently false positive result.
Adult↗