Can database studies be used to make the tough research decisions?
- PMID: 25360722
- DOI: 10.1164/rccm.201409-1703ED
Can database studies be used to make the tough research decisions?
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Multicenter study comparing case definitions used to identify patients with chronic obstructive pulmonary disease.Am J Respir Crit Care Med. 2014 Nov 1;190(9):989-95. doi: 10.1164/rccm.201406-1166OC. Am J Respir Crit Care Med. 2014. PMID: 25192554 Free PMC article.
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