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.
Takahashi K, Yamamoto K, Kuchiba A, Shintani A, Koyama T.Takahashi K, et al. Among authors: koyama t.Stat Med. 2023 Oct 15;42(23):4177-4192. doi: 10.1002/sim.9853. Epub 2023 Aug 1.Stat Med. 2023.PMID: 37527903
Chen Q, Wu H, Ware LB, Koyama T.Chen Q, et al. Among authors: koyama t.Int J Stat Med Res. 2014 Jan 31;3(1):32-43. doi: 10.6000/1929-6029.2014.03.01.5.Int J Stat Med Res. 2014.PMID: 24772198Free PMC article.
Masaki N, Koyama T, Yoshimura I, Hamada C.Masaki N, et al. Among authors: koyama t.J Biopharm Stat. 2009 Jul;19(4):721-31. doi: 10.1080/10543400902964167.J Biopharm Stat. 2009.PMID: 20183436
Barocas DA, Al Hussein Al Awamlh B, Koyama T.Barocas DA, et al. Among authors: koyama t.JAMA. 2024 Apr 29. doi: 10.1001/jama.2024.5492. Online ahead of print.JAMA. 2024.PMID: 38683621No abstract available.