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The journal European Respiratory Journal has published an article about chronic thromboembolic pulmonary hypertension. Chronic thromboembolic pulmonary hypertension (CTEPH) is a rare form of pulmonary hypertension, classified as group 4 in the present clinical classification. CTEPH is generally considered a late complication of one or multiple episodes of acute pulmonary embolism that have not resolved despite at least 3 months of therapeutic anticoagulation. The full-text article you can find here.