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.
Pang MW, Leung TN, Sahota DS, Lau TK, Chang AM.Pang MW, et al. Among authors: chang am.Aust N Z J Obstet Gynaecol. 2000 May;40(2):161-4. doi: 10.1111/j.1479-828x.2000.tb01139.x.Aust N Z J Obstet Gynaecol. 2000.PMID: 10925902
Strachan BK, van Wijngaarden WJ, Sahota D, Chang A, James DK.Strachan BK, et al. Among authors: chang a.Lancet. 2000 Feb 5;355(9202):456-9. doi: 10.1016/S0140-6736(00)82012-7.Lancet. 2000.PMID: 10841126Clinical Trial.
Mongelli M, Chang A, Sahota D.Mongelli M, et al. Among authors: chang a.Int J Med Inform. 1997 Apr;44(2):135-44. doi: 10.1016/S1386-5056(96)01244-0.Int J Med Inform. 1997.PMID: 9291005