Title: McGraw CA, Hug G.Simultaneous measurement of 25-hydroxy, 24,25-dihydroxy-, and 1,25-dihydroxyvitamin D without use of HPLC.Med Lab Sci. 1990 Jan;47(1):17-25.
Title: Katsumi K, Okano T, Ono Y, Maegaki E, Nishimura K, Baba M, Kobayashi T, Miyata O, Naito T, Ninomiya I.Syntheses of 24,25-dihydroxyvitamin D2, 24,25-dihydroxy-22-dehydrovitamin D3, 25-hydroxy-24-oxo-22-dehydrovitamin D3 and 22,24,25-trihydroxyvitamin D3.Chem Pharm Bull (Tokyo). 1987 Mar;35(3):970-9.
Title: Horst RL, Littledike ET, Gray RW, Napoli JL.Impaired 24,25-dihydroxyvitamin D production in anephric human and pig.J Clin Invest. 1981 Jan;67(1):274-80.
Title: Glenville Jones2, Heinrich K. Schnoes, Leon Levan et al.Isolation and identification of 24-hydroxyvitamin D2 and 24,25-dihydroxyvitamin D2. Archives of Biochemistry and Biophysics.Volume 202, Issue 2, July 1980, Pages 450-457
Title: Glenville Jones, Alan Rosenthal,David Segev et al. Isolation and identification of 24,25-dihydroxy vitamin D2 by use of the perfused rat kidney. Biochemistry, 1979, 18 (6), pp 1094-1101
