to understand the relationships among 1 ) the dose of 25-hydroxyvitamin d [ 25 ( oh ) d ] in vivo , 2 ) the activity of 1-hydroxylase in renal mitochondria , and 3 ) the production of 1,25-dihydroxyvitamin d [ 1,25 ( oh ) 2d ] in vivo , we gave rats different chronic or acute doses of 25-hydroxyvitamin d3 [ 25 ( oh ) d3 ] .
C0006657
25-hydroxyvitamin d3
C2713074
25 ( oh ) d3