the effects of changing the concentrations of calcium ( ca2+ ) and inorganic phosphate ( pi ) on 45ca release from prelabeled fetal rat bones caused by parathyroid hormone ( pth ) , 25-hydroxyvitamin d3 ( 25-oh-d3 ) and 1 , 25-dihydroxyvitamin d3 ( 1,25- ( oh ) 2-d3 ) were tested , in vitro .
C0006657
25-hydroxyvitamin d3
C2713074
25-oh-d3