we tested these two parameters in two groups of hypercalcaemic patients ( twelve cases of primary hyperparathyroidism and fourteen cases of hypercalcaemia of non-parathyroid origin ) and in two groups of normocalcaemic subjects ( twenty-one young healthy volunteers and fourteen elderly subjects without parathyroid disease ) .
C0221002
primary hyperparathyroidism
C0030518
parathyroid