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1 The Effect of Oxygen Therapy on VPB in Patients with Chronic Obstructive Pulmonary Disease
Kyu Suck Shin, Jeong Seok Ko, Seo Jong Kim, Kun Ho So, Gyo Hyun Jin, Keun Lee, Gwi Lae Lee, Yong Ho Roh
Tuberc Respir Dis.1999;47(1):42-49.   Published online 2016 March 11     DOI: http://dx.doi.org/10.4046/trd.1999.47.1.42
      

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