LETTER TO THE EDITOR: Response to the Letter by Dr. Julio Collazos.
Fortún
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Servicio de Enfermedades Infecciosas, Hospital Ramón y Cajal, Crtra Colmenar km 9,1, 28034, Madrid, Spain.
Scand J Clin Lab Invest. 1992 May;52(3):201-6
1411252
Open Respir Med J. 2009 Nov 20;3:123-7
19966922
Open Respir Med J. 2010 Mar 19;4:15-6
20448811
Respir Med. 1994 Feb;88(2):139-43
8146413