Development of the Pulmonary Arterial Hypertension-Symptoms and Impact (PAH-SYMPACT?) questionnaire: a new patient-reported outcome instrument for PAH.
McCollister D, Shaffer S, Badesch DB, Filusch A, Hunsche E, Sch?ler R, Wiklund I, Peacock A. Development of the Pulmonary Arterial Hypertension-Symptoms and Impact (PAH-SYMPACT?) questionnaire: a new patient-reported outcome instrument for PAH. Respir Res. 2016 06 14; 17(1):72.