Echocardiographic assessment of pulmonary hypertension: standard operating procedure
Luke S. Howard, Julia Grapsa, David Dawson, Michael Bellamy, John B. Chambers, Navroz D. Masani, Petros Nihoyannopoulos, J. Simon R. Gibbs
European Respiratory Review Sep 2012, 21 (125) 239-248; DOI: 10.1183/09059180.00003912