Residential exposure to <i>Aspergillus</i> spp<i>.</i> is associated with exacerbations in COPD.

fumigatus and exacerbation frequency at baseline (r=0.27, p=0.003; figure 3a ) with a trend towards significance at 1-year follow-up (r=0.14, p=0.19, figure 3b ) .

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