another feature in this patient was abnormally low serum concentration of 24,25 dihydroxy vitamin d3 ( 24,25 ( oh ) 2d3 ) with normal 25 hydroxy vitamin d3 ( 25 ( oh ) d3 ) and relatively low 1,25 dihydroxy vitamin d3 ( 1,25 ( oh ) 2d3 ) .
C0006657
25 hydroxy vitamin d3
C2713074
25 ( oh ) d3