Pulmonary Hypertension Association
The Pulmonary Hypertension Association (PHA) is a 501(c)(3) nonprofit organization that provides support, education, advocacy, and awareness association for pulmonary hypertension. It provides information to the public about the illness and acts as a support group for those with the disease, providing medical provider location services and emotional support for those suffering from the illness.
Source: Wikipedia — Pulmonary Hypertension Association (CC BY-SA 4.0)