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.
Van der Laan MJ, Hubbard A.Van der Laan MJ, et al.Lifetime Data Anal. 1997;3(1):77-91. doi: 10.1023/a:1009620319159.Lifetime Data Anal. 1997.PMID: 9384627
Hubbard AE, Van der Laan MJ, Enanoria W, Colford JM Jr.Hubbard AE, et al.Lifetime Data Anal. 2000 Sep;6(3):237-50. doi: 10.1023/a:1009689625311.Lifetime Data Anal. 2000.PMID: 10949861
van der Laan MJ, Hubbard A.van der Laan MJ, et al.Biometrics. 1999 Jun;55(2):530-6. doi: 10.1111/j.0006-341x.1999.00530.x.Biometrics. 1999.PMID: 11318210
Brookhart MA, Hubbard AE, van der Laan MJ, Colford JM Jr, Eisenberg JN.Brookhart MA, et al. Among authors: hubbard ae.Stat Med. 2002 Dec 15;21(23):3627-38. doi: 10.1002/sim.1258.Stat Med. 2002.PMID: 12436460
Enanoria WT, Hubbard AE, van der Laan MJ, Chen M, Ruiz J, Colford JM Jr.Enanoria WT, et al. Among authors: hubbard ae.BMC Public Health. 2007 Jun 27;7:127. doi: 10.1186/1471-2458-7-127.BMC Public Health. 2007.PMID: 17597532Free PMC article.