CONTROL OF SECRETION OF PARATHYROID HORMONE IN SECONDARY HYPERPARATHYROIDISM

The response of the parathyroids to an infusion of calcium has been studied in patients with secondary hyperparathyroidism due to either vitamin D deficiency or to chronic renal failure. Two specific homologous immunoradiometric assays for human parathyroid hormone (PTH) have been used to assess the response, one specific for the amino‐terminus (N‐PTH), the other specific for the carboxy‐terminus (C‐PTH) of the molecule.

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