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.
Campos WR, Henriques JF, Kritski AL, Curi A, Pimentel RT, Spindola de Miranda S.Campos WR, et al. Among authors: kritski al.J Bras Pneumol. 2008 Feb;34(2):98-102. doi: 10.1590/s1806-37132008000200006.J Bras Pneumol. 2008.PMID: 18345453Free article.English, Portuguese.
Machado AC, Steffen RE, Oxlade O, Menzies D, Kritski A, Trajman A.Machado AC, et al.J Bras Pneumol. 2011 Jul-Aug;37(4):512-20. doi: 10.1590/s1806-37132011000400014.J Bras Pneumol. 2011.PMID: 21881742Free article.English, Portuguese.
Vasconcelos KA, Lima MA, Frota S, Ruffino Netto A, Kritski AL.Vasconcelos KA, et al. Among authors: kritski al.J Bras Pneumol. 2012 Jan-Feb;38(1):81-7. doi: 10.1590/s1806-37132012000100012.J Bras Pneumol. 2012.PMID: 22407044Free article.English, Portuguese.
Moreira Ada S, Huf G, Vieira MA, Fonseca L, Ricks M, Kritski AL.Moreira Ada S, et al. Among authors: kritski al.J Bras Pneumol. 2013 May-Jun;39(3):365-7. doi: 10.1590/S1806-37132013000300014.J Bras Pneumol. 2013.PMID: 23857683Free PMC article.Clinical Trial.