title: Sildenafil for pulmonary arterial hypertension: exciting, but protection required.
authors.forename: Sanjay
authors.initials: S
authors.lastname: Mehta
mesh_terms: D000284:Administration, Oral; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D010726:Phosphodiesterase Inhibitors / Q000008:administration & dosage*; D010879:Piperazines / Q000008:administration & dosage*; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones; D014665:Vasodilator Agents / Q000008:administration & dosage*
chemical_list: D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D014665:Vasodilator Agents; D000068677:Sildenafil Citrate