we have examined the in vivo conversion of 3h- ( 25,26 ) -25-hydroxyvitamin d3 ( 25ohd3 ) to 3h- ( 25,26 ) -1 alpha,25-dihydroxyvitamin d3 [ 1 alpha,25 ( oh ) 2d3 ] in vitamin d-deficient , pregnant and nonpregnant rats .
C0006657
25-hydroxyvitamin d3
C2713074
25ohd3