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Impact of pulmonary artery pressure on exercise function in severe COPD.

Sims MW, Margolis DJ, Localio AR, Panettieri RA, Kawut SM, Christie JD. Sims MW, et al. Chest. 2009 Aug;136(2):412-419. doi: 10.1378/chest.08-2739. Epub 2009 Mar 24. Chest. 2009. PMID: 19318664 Free PMC article.

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Application of appropriateness criteria in outpatient transthoracic echocardiography.

Kirkpatrick JN, Ky B, Rahmouni HW, Chirinos JA, Farmer SA, Fields AV, Ogbara J, Eberman KM, Ferrari VA, Silvestry FE, Keane MG, Opotowsky AR, Sutton MS, Wiegers SE. Kirkpatrick JN, et al. J Am Soc Echocardiogr. 2009 Jan;22(1):53-9. doi: 10.1016/j.echo.2008.10.020. J Am Soc Echocardiogr. 2009. PMID: 19131002 Free PMC article.

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