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Relationship between bacterial flora in sputum and functional impairment in patients with acute exacerbations of COPD. Study Group of Bacterial Infection in COPD.
M. Miravitlles,
C. Espinosa,
Enrique Fernández-Laso,
José Alberto Martos,
J. Maldonado,
M. Gallego
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8 |
1999 |
8
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