the plasma concentration of 24 , 25 ( oh ) 2 d was slightly raised during treatment but became normal after 15 days , while that of 1,25 ( oh ) 2 d , the active form of vitamin d , remained normal throughout , suggesting that the pathogenesis of vitamin d-induced hypercalcaemia is probably complex .
C0014695
vitamin d
C0020437
hypercalcaemia