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2. Understanding the impact of pulmonary arterial hypertension on patients' and carers' lives
3. PHA Online University. Impact of PAH on the lives of patients and caregivers. 2012. www.phaonlineuniv.org/DiagnosisTreatment/content.cfm?ItemNumber=3417 Date last accessed: June 7, 2018.
4. PHA Canada. The impact of pulmonary hypertension on Canadians. 2013. www.phacanada.ca/en/about-ph/boi-report Date last accessed: June 7, 2018.
5. PHA Japan. 3.5 years on average until the start of consultations with a specialist revealed in patient surveys on chronic thromboembolic pulmonary hypertension and pulmonary arterial hypertension. 2013. www.pha-japan.ne.jp/_pdf/medicalspecialist_en.pdf Date last accessed: June 7, 2018.