Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Taina Pihlajaniemi and Raili Myllylä and Kari I. Kivirikko,Prolyl 4-hydroxylase and its role in collagen synthesis,Journal of Hepatology,0168-8278,Elsevier BV,1991-01,13,,S2-S7,https://cir.nii.ac.jp/crid/1360865821063459840,https://doi.org/10.1016/0168-8278(91)90002-s