values from the midregion assay and an established carboxy-terminus assay correlated using peripheral plasma from 17 patients with primary hyperparathyroidism ( r = 0.84 ; p less than 0.0001 ) or using parathyroid gland venous effluent plasma from the same 17 patients ( r = 0.79 ; p less than 0.0005 ) .
C0221002
primary hyperparathyroidism
C0030518
parathyroid