1. Hatano S, Strasser T. Primary pulmonary hypertension: report on a WHO meeting, Geneva, 15-17 October 1973. 1975.
2. Rich S. Executive summary from the World Symposium on Primary Pulmonary Hypertension 1998, Evian, France, September 6-10, 1998.
3. Diagnosis and differential assessment of pulmonary arterial hypertension;Barst;J Am Coll Cardiol,2004
4. Diagnosis and assessment of pulmonary arterial hypertension;Badesch;J Am Coll Cardiol,2009
5. Definitions and diagnosis of pulmonary hypertension;Hoeper;J Am Coll Cardiol,2013