previous in vitro studies concerning the renal metabolism of 25-hydroxyvitamin d3 ( 25 ( oh ) d3 ) to form 1,25-dihydroxyvitamin d3 ( 1,25 ( oh ) 2d3 ) and 24,25r-dihydroxyvitamin d3 ( 24,25 ( oh ) 2d3 ) have utilized intact cell systems .
C0006657
25-hydroxyvitamin
C2713074
25 ( oh ) d3