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"(HealthDay)\u2014The endothelin A receptor-selective antagonist ambrisentan is not effective for reducing the rate of idiopathic pulmonary fibrosis (IPF) progression, according to a study published in the May 7 issue of the Annals of Internal Medicine."^^<http://www.w3.org/2001/XMLSchema#string>
<http://medicalxpress.com/news/2013-05-ambrisentan-effective-idiopathic-pulmonary-fibrosis.html>