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Comment
. 2009 Aug 1;180(3):283-4; author reply 284.
doi: 10.1164/ajrccm.180.3.283a.

Frequent exacerbators in COPD: who are they?

Claudio Sorino, Duane Sherrill
Comment

Frequent exacerbators in COPD: who are they?

Claudio Sorino et al. Am J Respir Crit Care Med. .
No abstract available

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