An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Li UM, Shin CS, Lan WH, Lin CP.Li UM, et al.Dent Mater J. 2006 Jun;25(2):247-52. doi: 10.4012/dmj.25.247.Dent Mater J. 2006.PMID: 16916225Free article.
Li UM, Iijima M, Endo K, Brantley WA, Alapati SB, Lin CP.Li UM, et al.Dent Mater J. 2007 Jul;26(4):467-73. doi: 10.4012/dmj.26.467.Dent Mater J. 2007.PMID: 17886448Free article.
Lin CC, Tsai YL, Li UM, Chang YC, Lin CP, Jeng JH.Lin CC, et al. Among authors: li um.Int Endod J. 2008 May;41(5):442-7. doi: 10.1111/j.1365-2591.2007.01360.x. Epub 2008 Jan 19.Int Endod J. 2008.PMID: 18217994
Lee BS, Lin CP, Lin FH, Li UM, Lan WH.Lee BS, et al. Among authors: li um.J Clin Laser Med Surg. 2003 Feb;21(1):41-6. doi: 10.1089/10445470360516734.J Clin Laser Med Surg. 2003.PMID: 12614559
Tseng SK, Tsai YL, Li UM, Jeng JH.Tseng SK, et al. Among authors: li um.J Formos Med Assoc. 2009 Oct;108(10):808-13. doi: 10.1016/S0929-6646(09)60409-5.J Formos Med Assoc. 2009.PMID: 19864202Free article.