Takeyama K, Kitanaka S, Sato T, Kobori M, Yanagisawa J, Kato S (Sep 1997). "25-Hydroxyvitamin D3 1alpha-hydroxylase and vitamin D synthesis". Science. 277 (5333): 1827–30. doi:10.1126/science.277.5333.1827. PMID9295274.
Monkawa T, Yoshida T, Wakino S, Shinki T, Anazawa H, Deluca HF, Suda T, Hayashi M, Saruta T (Oct 1997). "Molecular cloning of cDNA and genomic DNA for human 25-hydroxyvitamin D3 1 alpha-hydroxylase". Biochemical and Biophysical Research Communications. 239 (2): 527–33. doi:10.1006/bbrc.1997.7508. PMID9344864.
Takeyama K, Kitanaka S, Sato T, Kobori M, Yanagisawa J, Kato S (Sep 1997). "25-Hydroxyvitamin D3 1alpha-hydroxylase and vitamin D synthesis". Science. 277 (5333): 1827–30. doi:10.1126/science.277.5333.1827. PMID9295274.
Monkawa T, Yoshida T, Wakino S, Shinki T, Anazawa H, Deluca HF, Suda T, Hayashi M, Saruta T (Oct 1997). "Molecular cloning of cDNA and genomic DNA for human 25-hydroxyvitamin D3 1 alpha-hydroxylase". Biochemical and Biophysical Research Communications. 239 (2): 527–33. doi:10.1006/bbrc.1997.7508. PMID9344864.