ArticlePloS one2013
Incidence and cost of pneumonia in older adults with COPD in the United States.
Marian Ryan et al.PubMed ↗Full text ↗Publisher ↗
No numbers read from the abstract.
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ArticlePloS one2013
Marian Ryan et al.PubMed ↗Full text ↗Publisher ↗
No numbers read from the abstract.