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. 2012 Dec 27;7(12):e52248. doi: 10.1371/journal.pone.0052248

Figure 1. Screening, enrollment and interventions of the study participants.

Figure 1

COPD denotes chronic obstructive pulmonary disease, CVP central venous pressure, LVEF left ventricular ejection fraction, mPAP mean pulmonary artery pressure, PH pulmonary hypertension, sPAP systolic pulmonary artery pressure, 6MWT six-minute walking distance.