title: Sildenafil improves right-ventricular parameters and quality of life in primary pulmonary hypertension.
authors.forename: A T
authors.initials: AT
authors.lastname: Zimmermann
authors.forename: A F
authors.initials: AF
authors.lastname: Calvert
authors.forename: E M
authors.initials: EM
authors.lastname: Veitch
mesh_terms: D000284:Administration, Oral; D000328:Adult; D001784:Blood Gas Analysis; D004305:Dose-Response Relationship, Drug; D004334:Drug Administration Schedule; D005500:Follow-Up Studies; D006334:Heart Function Tests; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications / Q000000981:diagnostic imaging / Q000188:drug therapy*; D008297:Male; D010879:Piperazines / Q000008:administration & dosage*; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones; D016896:Treatment Outcome; D018608:Ultrasonography, Doppler; D018497:Ventricular Dysfunction, Right / Q000000981:diagnostic imaging / Q000188:drug therapy* / Q000209:etiology
chemical_list: D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate