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French physiologist Eugène Émile Gley (1857-1930)

Gley observed that tetany and death following experimental thyroidectomy in dogs occurred only if the excised material included the glandulae parathyroidae (parathyroid glands) described by Ivar Sandstrom in 1880. (Courtesy of the Wellcome Library and Wikipedia. Public domain.)

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  • Acute and chronic renal failure
  • Endocrine disorders
  • Familial hypocalciuric hypercalcemia
  • Granulomatous disorders
  • Infantile hypercalcemia (Williams syndrome)
  • Malignancy
  • Milk-alkali syndrome
  • Primary hyperparathyroidism