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.
Varela G, del Barrio E, Jiménez M, García Cosmes P, Criado M, López Novoa JM.Varela G, et al.Arch Bronconeumol. 1998 Apr;34(4):194-8. doi: 10.1016/s0300-2896(15)30452-x.Arch Bronconeumol. 1998.PMID: 9611654Spanish.
Disdier C, Varela G, Sánchez de Cos J, Bengoechea O, Jiménez M, Garín J, Cruz JJ, Masa JF.Disdier C, et al. Among authors: varela g.Arch Bronconeumol. 1998 May;34(5):237-44. doi: 10.1016/s0300-2896(15)30431-2.Arch Bronconeumol. 1998.PMID: 9656062Spanish.
del Barrio E, Varela G, Sastre JA, Vara A, Jiménez M, Muriel C.del Barrio E, et al. Among authors: varela g.Rev Esp Anestesiol Reanim. 1999 Jun-Jul;46(6):247-51.Rev Esp Anestesiol Reanim. 1999.PMID: 10439644Spanish.