title: [Primary pulmonary hypertension].
mesh_terms: D006328:Cardiac Catheterization; D065627:Familial Primary Pulmonary Hypertension; D006801:Humans; D006973:Hypertension / Q000175:diagnosis*; D012119:Respiration / Q000502:physiology*
keywords: HEART CATHETERIZATION; HYPERTENSION/diagnosis; RESPIRATION/physiology