title: Potentiating the pulmonary vasodilatory effects produced by sildenafil.
authors.forename: Carlos A
authors.initials: CA
authors.lastname: Dias-Junior
mesh_terms: D004359:Drug Therapy, Combination; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D009569:Nitric Oxide / Q000627:therapeutic use; D010879:Piperazines / Q000627:therapeutic use*; D011687:Purines / Q000627:therapeutic use; D000068677:Sildenafil Citrate; D013450:Sulfones / Q000627:therapeutic use*; D014665:Vasodilator Agents / Q000627:therapeutic use*
chemical_list: D010879:Piperazines; D011687:Purines; D013450:Sulfones; D014665:Vasodilator Agents; D009569:Nitric Oxide; D000068677:Sildenafil Citrate