作者: Nazzareno Galiè , Hossein A. Ghofrani , Adam Torbicki , Robyn J. Barst , Lewis J. Rubin
DOI: 10.1056/NEJMOA050010
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摘要: … , 20 mg of sildenafil, and 40 mg of sildenafil received 40 mg of sildenafil for the first six weeks of the extension study, and the dose was then increased to 80 mg of sildenafil. Patients …