the effect of pge2 on the conversion of 25-hydroxyvitamin d3 ( 25 oh d3 ) to 1,25-dihydroxyvitamin d3 ( 1,25- ( oh ) 2d3 ) by isolated renal tubules from vitamin d deficient chicks was studied under a variety of experimental conditions .
C0006657
25-hydroxyvitamin d3
C2713074
25 oh d3