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.
Kwan TT, Cheung AN, Lo SS, Lee PW, Tam KF, Chan KK, Ngan HY.Kwan TT, et al.Acta Obstet Gynecol Scand. 2011 May;90(5):445-51. doi: 10.1111/j.1600-0412.2011.01092.x. Epub 2011 Mar 16.Acta Obstet Gynecol Scand. 2011.PMID: 21306349Free article.
Kwan TT, Chan KK, Yip AM, Tam KF, Cheung AN, Young PM, Lee PW, Ngan HY.Kwan TT, et al.Sex Transm Infect. 2008 Jun;84(3):227-32. doi: 10.1136/sti.2007.029363. Epub 2008 Feb 6.Sex Transm Infect. 2008.PMID: 18256106Free article.
Kwan TT, Chan KK, Yip AM, Tam KF, Cheung AN, Lo SS, Lee PW, Ngan HY.Kwan TT, et al.BJOG. 2009 Mar;116(4):501-10. doi: 10.1111/j.1471-0528.2008.01988.x.BJOG. 2009.PMID: 19250361
Lee PW, Kwan TT, Tam KF, Chan KK, Young PM, Lo SS, Cheung AN, Ngan HY.Lee PW, et al. Among authors: kwan tt.Prev Med. 2007 Aug-Sep;45(2-3):130-4. doi: 10.1016/j.ypmed.2007.07.013. Epub 2007 Jul 18.Prev Med. 2007.PMID: 17707077
Kwan TT, Tam KF, Lee PW, Lo SS, Chan KK, Ngan HY.Kwan TT, et al.Psychooncology. 2010 Dec;19(12):1329-39. doi: 10.1002/pon.1706.Psychooncology. 2010.PMID: 20186874Clinical Trial.