title: Tadalafil in primary pulmonary arterial hypertension.
authors.forename: Emiliano Antonio
authors.initials: EA
authors.lastname: Palmieri
authors.forename: Flora
authors.initials: F
authors.lastname: Affuso
authors.forename: Serafino
authors.initials: S
authors.lastname: Fazio
authors.forename: Danilo
authors.initials: D
authors.lastname: Lembo
mesh_terms: D015106:3',5'-Cyclic-GMP Phosphodiesterases / Q000037:antagonists & inhibitors*; D000368:Aged; D005260:Female; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D010879:Piperazines / Q000627:therapeutic use*; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones
chemical_list: D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate; D015106:3',5'-Cyclic-GMP Phosphodiesterases