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SummaryThe solid-phase radioimmunoassay method has been applied to the measurement of fibrinogen. The method is extremely sensitive, being able to detect fibrinogen concentrations as low as 10 ng/ml. The immunoreactivity of fibrinogen proteolysis products differs from that of native fibrinogen, early proteolysis products showing enhanced immunoreactivity which decreases progressively with further digestion.

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SUMMARY Radioimmunoassay and immunohistochemical techniques have been used to demonstrate the presence of immunoreactive human growth hormone (IRHGH) in a bronchogenic carcinoma. While the patient had the clinical manifestations of osteoarthropathy, the role of IRHGH in the pathogenesis of this condition is not established.

No abstract