the conversion of 25-hydroxyvitamin d3 ( 25 oh d3 ) to 1,25-dihydroxyvitamin d3 ( 1,25- ( oh ) 2d3 ) , 24,25-dihydroxyvitamin d3 ( 24,25- ( oh ) 2d3 ) and 1,24,25-trihydroxyvitamin d3 ( 1.24,25- ( oh ) 3d3 ) was studied in renal tubules prepared from chicks raised on a vitamin d deficient diet with or without vitamin d supplementation .
C0006657
25-hydroxyvitamin d3
C2713074
25 oh d3