title: Sildenafil for pulmonary arterial hypertension: still waiting for evidence.
authors.forename: Marc
authors.initials: M
authors.lastname: Humbert
authors.forename: Gérald
authors.initials: G
authors.lastname: Simonneau
mesh_terms: D000818:Animals; D004195:Disease Models, Animal; D006976:Hypertension, Pulmonary / Q000188:drug therapy*; D008168:Lung / Q000187:drug effects / Q000473:pathology*; D008297:Male; D010879:Piperazines / Q000494:pharmacology*; D011687:Purines; D011897:Random Allocation; D051381:Rats; D017207:Rats, Sprague-Dawley; D012016:Reference Values; D012680:Sensitivity and Specificity; D000068677:Sildenafil Citrate; D013450:Sulfones; D014665:Vasodilator Agents / Q000494:pharmacology
chemical_list: D010879:Piperazines; D011687:Purines; D013450:Sulfones; D014665:Vasodilator Agents; D000068677:Sildenafil Citrate