protein-binding assays have been used to measure plasma 1,25-dihydroxy-vitamin d [ 1,25- ( oh ) 2d ] as well as 25-hydroxy-vitamin d [ 25- ( oh ) d ] in rats given 10 mg of phosphorus ( p ) day ( -1 ) kg ( -1 ) as ethane-1-hydroxy-1,1-diphosphonate ( ehdp ) .
C0012544
diphosphonate
C0086268
ehdp