Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Naraoka Takuya and Ishibashi Yasuyuki and Tsuda Eiichi and Yamamoto Yuji and Kusumi Tomomi and Toh Satoshi,Comparison between the effect of collagen tripeptide and sodium hyaluronan to prevent knee osteoarthritis: a preliminary in vivo study,Hirosaki Medical Journal,0439-1721,"Hirosaki University Graduate School of Medicine,Hirosaki Medical Society",2011,62,2-4,107-116,https://cir.nii.ac.jp/crid/1390288834704251008,https://doi.org/10.32216/hirosakiigaku.62.2-4_107