title: Sildenafil and mild pulmonary arterial hypertension: unjustified risks, with no tangible benefit.
mesh_terms: D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D058986:Phosphodiesterase 5 Inhibitors / Q000009:adverse effects*; D010879:Piperazines / Q000009:adverse effects*; D011687:Purines / Q000009:adverse effects; D000068677:Sildenafil Citrate; D013450:Sulfones / Q000009:adverse effects*
chemical_list: D058986:Phosphodiesterase 5 Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate