We report the long-term follow-up of 3 cases of severe idiopathic pulmonary arterial hypertension, in whom tadalafil plus sitaxentan combination therapy improved the clinical condition and exercise performance without any relevant adverse event.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2999023 | PMC |
| http://dx.doi.org/10.4330/wjc.v2.i3.68 | DOI Listing |
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