Validation of the 6 min walk test according to the OMERACT filter: a systematic literature review by the EPOSS-OMERACT groupAVOUAC, Jérôme; KOWAL-BIELECKA, Otylia; OPITZ, Christian F et al.Annals of the rheumatic diseases. 2010, Vol 69, Num 7, pp 1360-1363, issn 0003-4967, 4 p.Article

Assessment of symptoms and exercise capacity in cyanotic patients with congenital heart diseaseGLÄSER, Sven; OPITZ, Christian F; BAUER, Ulrike et al.Chest. 2004, Vol 125, Num 2, pp 368-376, issn 0012-3692, 9 p.Article

Elderly patients diagnosed with idiopathic pulmonary arterial hypertension: Results from the COMPERA registryHOEPER, Marius M; HUSCHER, Doerte; HELD, Matthias et al.International journal of cardiology. 2013, Vol 168, Num 2, pp 871-880, issn 0167-5273, 10 p.Article

Incremental prognostic value of cardiopulmonary exercise testing and resting haemodynamics in pulmonary arterial hypertensionWENSEL, Roland; FRANCIS, Darrel P; OBST, Anne et al.International journal of cardiology. 2013, Vol 167, Num 4, pp 1193-1198, issn 0167-5273, 6 p.Article

Anticoagulation and Survival in Pulmonary Arterial Hypertension: Results From the Comparative, Prospective Registry of Newly Initiated Therapies for Pulmonary Hypertension (COMPERA)OLSSON, Karen M; DELCROIX, Marion; HELD, Matthias et al.Circulation (New York, N.Y.). 2014, Vol 129, Num 1, pp 57-65, issn 0009-7322, 9 p.Article

Pulmonary hypertension: Hemodynamic evaluation. Updated Recommendations of the Cologne Consensus Conference 2011OPITZ, Christian F; BLINDT, Rudiger; SCHRANZ, Dietmar et al.International journal of cardiology. 2011, Vol 154, issn 0167-5273, S13-S19, SUP1Article

Defining Appropriate Outcome Measures in Pulmonary Arterial Hypertension Related to Systemic Sclerosis : A Delphi Consensus Study With Cluster AnalysisDISTLER, Oliver; BEHRENS, Frank; RUBIN, Lewis J et al.Arthritis care and research. 2008, Vol 59, Num 6, pp 867-875, issn 0893-7524, 9 p.Article

Clinical efficacy and survival with first-line inhaled iloprost therapy in patients with idiopathic pulmonary arterial hypertensionOPITZ, Christian F; WENSEL, Roland; HETZER, Roland et al.European heart journal. 2005, Vol 26, Num 18, pp 1895-1902, issn 0195-668X, 8 p.Article