라정찬 - https://ko.wikipedia.org/wiki/라정찬 라정찬 - https://www.youtube.com/watch?v=1Q7PwgryFeA 라정찬 - www.businesspost.co.kr/news/articleView.html?idxno=23507 라정찬 - www.biostar.co.kr/2015/09/바이오스타-라정찬-박사-연구팀-소변-줄기세포usc-분/ 라정찬 - www.biostar.co.kr/2015/11/바이오스타-줄기세포연구원-라정찬-박사팀-자가지/ 라정찬 - www.dbpia.co.kr/Author/AuthorInfo?arcId=0&ancId=112586 라정찬 - www.kyobobook.co.kr/author/info/AuthorInfo.laf?authorid=1107027701 라정찬 - https://books.google.co.kr/books?id=YverAwAAQBAJ 라정찬 - http://m.cosinkorea.com/index.html?cname=mobile&sname=n_01_01_04&dcode=19652 라정찬 - www.christiantoday.co.kr/news/261109 라정찬 - www.naturecell.co.kr/ 라정찬 - https://first.designdb.com/dtrend/trend.r.asp?menupkid=188&pkid=24099 라정찬 - http://www.futurekorea.co.kr/news/articleView.html?idxno=37939 라정찬 - http://m.uhs.ac.kr/uhs/uhs_viw.jsp?board_id=16&page=1&text_num=50788#.WXrSKYTyiUk 라정찬 - http://ysnews.co.kr/default/index_view_page.php?idx=71107 라정찬 - http://news.mt.co.kr/mtview.php?no=2017072017339655300&MNF