serum levels of 1,25-dihydroxyvitamin d3 ( 1,25 ( oh ) 2d3 ) , 25-hydroxyvitamin d3 ( 25 ( oh ) d3 ) , c-terminal immunoreactive pth ( ipth ) , calcium and phosphate , and endogenous creatinine clearance ( clcr ) were measured in 34 patients with primary hyperparathyroidism .
C0006657
25-hydroxyvitamin d3
C2713074
25 ( oh ) d3