title: Efficacy and safety of sildenafil in the treatment of severe pulmonary hypertension in patients with hemoglobinopathies.
authors.affiliation: Center for Sickle Cell Disease, Howard University 2121 Georgia Ave. NW, Washington, DC, 20059 USA. vgordeuk@howard.edu.
authors.forename: Victor R
authors.initials: VR
authors.lastname: Gordeuk
mesh_terms: D006453:Hemoglobinopathies / Q000150:complications*; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications / Q000188:drug therapy*; D010879:Piperazines / Q000627:therapeutic use*; D011687:Purines; D000068677:Sildenafil Citrate; D013450:Sulfones; D014665:Vasodilator Agents / Q000627:therapeutic use*
chemical_list: D010879:Piperazines; D011687:Purines; D013450:Sulfones; D014665:Vasodilator Agents; D000068677:Sildenafil Citrate