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Comorbidities and Burden of COPD: A Population Based Case-Control Study
Baty F,
Putora PM,
Isenring B,
Blum T,
Brutsche M
(2013)
Comorbidities and Burden of COPD: A Population Based Case-Control Study.
PLOS ONE 8(5): e63285.
https://doi.org/10.1371/journal.pone.0063285