title: Letter by Forfia and Borlaug regarding article, "Pulmonary hypertension in heart failure with preserved ejection fraction: a target of phosphodiesterase-5 inhibition in a 1-year study".
authors.forename: Paul R
authors.initials: PR
authors.lastname: Forfia
authors.forename: Barry A
authors.initials: BA
authors.lastname: Borlaug
mesh_terms: D005260:Female; D006333:Heart Failure / Q000188:drug therapy* / Q000503:physiopathology*; D006801:Humans; D006976:Hypertension, Pulmonary / Q000188:drug therapy* / Q000503:physiopathology*; D008297:Male; D058986:Phosphodiesterase 5 Inhibitors / Q000008:administration & dosage*; D010879:Piperazines / Q000008:administration & dosage*; D013318:Stroke Volume / Q000187:drug effects*; D013450:Sulfones / Q000008:administration & dosage*
chemical_list: D058986:Phosphodiesterase 5 Inhibitors; D010879:Piperazines; D013450:Sulfones