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.
Cao Y, Liu W, Ning T, Mei ML, Li QL, Lo EC, Chu CH.Cao Y, et al. Among authors: lo ec.Clin Oral Investig. 2014 Apr;18(3):873-81. doi: 10.1007/s00784-013-1035-y. Epub 2013 Aug 4.Clin Oral Investig. 2014.PMID: 23912147
Chu CH, Pang KK, Lo EC.Chu CH, et al. Among authors: lo ec.BMC Oral Health. 2010 Jun 3;10:13. doi: 10.1186/1472-6831-10-13.BMC Oral Health. 2010.PMID: 20525244Free PMC article.
Mei ML, Li QL, Chu CH, Yiu CK, Lo EC.Mei ML, et al. Among authors: lo ec.Dent Mater. 2012 Aug;28(8):903-8. doi: 10.1016/j.dental.2012.04.011. Epub 2012 May 12.Dent Mater. 2012.PMID: 22578660