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1 Comorbidities of Chronic Obstructive Pulmonary Disease in Koreans: A Population-Based Study
Hyejin Joo, Jinkyeong Park, Sang Do Lee, Yeon-Mok Oh
J Korean Med Sci.2012;27(8):901-906.   Published online 2012 July 25     DOI: http://dx.doi.org/10.3346/jkms.2012.27.8.901
      

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