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Sildenafil treatment in COPD does not affect stroke volume or exercise capacity.
Rietema H, Holverda S, Bogaard HJ, Marcus JT, Smit HJ, Westerhof N, Postmus PE, Boonstra A, Vonk-Noordegraaf A. Rietema H, et al. Among authors: postmus pe. Eur Respir J. 2008 Apr;31(4):759-64. doi: 10.1183/09031936.00114207. Epub 2007 Dec 19. Eur Respir J. 2008. PMID: 18094009 Free article. Clinical Trial.
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