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.
Chan A, Yap KY.Chan A, et al. Among authors: yap ky.Maturitas. 2010 Mar;65(3):181-2. doi: 10.1016/j.maturitas.2009.12.001. Epub 2009 Dec 29.Maturitas. 2010.PMID: 20036470No abstract available.
Chan A, Tan SH, Wong CM, Yap KY, Ko Y.Chan A, et al. Among authors: yap ky.Clin Ther. 2009;31 Pt 2:2379-86. doi: 10.1016/j.clinthera.2009.11.008.Clin Ther. 2009.PMID: 20110047
Yap KY, Raaj S, Chan A.Yap KY, et al.Int J Qual Health Care. 2010 Apr;22(2):93-106. doi: 10.1093/intqhc/mzq004. Epub 2010 Feb 18.Int J Qual Health Care. 2010.PMID: 20172863