Observational Study
Copyright ©The Author(s) 2016.
World J Cardiol. Aug 26, 2016; 8(8): 472-480
Published online Aug 26, 2016. doi: 10.4330/wjc.v8.i8.472
Figure 2
Figure 2 Distribution of World Health Organization classes in the study cohort, separated by etiology of pulmonary hypertension.