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 H, Imai Y, Fujishima T, Shiratori M, Murakami S, Chiba H, Kon H, Kuroki Y, Abe S.Takahashi H, et al. Among authors: chiba h.Eur Respir J. 2001 Mar;17(3):481-7. doi: 10.1183/09031936.01.17304810.Eur Respir J. 2001.PMID: 11405529Free article.
Otsuka M, Takahashi H, Shiratori M, Chiba H, Abe S.Otsuka M, et al. Among authors: chiba h.Thorax. 2004 Jan;59(1):31-8. doi: 10.1136/thx.2003.000893.Thorax. 2004.PMID: 14694243Free PMC article.
Yamamoto O, Takahashi H, Hirasawa M, Chiba H, Shiratori M, Kuroki Y, Abe S.Yamamoto O, et al. Among authors: chiba h.Respir Med. 2005 Sep;99(9):1164-74. doi: 10.1016/j.rmed.2005.02.009.Respir Med. 2005.PMID: 16085219Free article.