the concentration of 25-hydroxyvitamin d3 ( 25 ( oh ) d3 ) , 24,25-dihydroxyvitamin d3 ( 24,25 ( oh ) 2d3 ) and 1,25-dihydroxyvitamin d3 ( 1,25 ( oh ) 2d3 ) were determined in amniotic fluid , fetal cord serum and maternal serum in 26 cases of elective cesarean sections at term .
C0006657
25-hydroxyvitamin d3
C2713074
25 ( oh ) d3