the effects of vitamin d , 2.5 mg ( 100,000 u ) /d for 4 d , on serum calcium , serum 25-hydroxyvitamin d ( 25-ohd ) , and serum 1 alpha,25-dihydroxyvitamin d [ 1 alpha,25 ( oh ) 2d ] were compared in 17 normal subjects and 6 patients with sarcoidosis who had normocalcemia and no history of hypercalcemia .
C0014695
vitamin d
C0020437
hypercalcemia