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Article Source: Primary Care COPD Patients Compared with Large Pharmaceutically-Sponsored COPD Studies: An UNLOCK Validation Study
Kruis AL, Ställberg B, Jones RCM, Tsiligianni IG, Lisspers K, et al. (2014) Primary Care COPD Patients Compared with Large Pharmaceutically-Sponsored COPD Studies: An UNLOCK Validation Study. PLOS ONE 9(3): e90145. https://doi.org/10.1371/journal.pone.0090145

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