title: Cost-effectiveness of sildenafil.
authors.forename: R L
authors.initials: RL
authors.lastname: Siegel
authors.forename: D B
authors.initials: DB
authors.lastname: Glasser
mesh_terms: D002318:Cardiovascular Diseases / Q000139:chemically induced*; D003362:Cost-Benefit Analysis; D006801:Humans; D010726:Phosphodiesterase Inhibitors / Q000009:adverse effects* / Q000191:economics; D010879:Piperazines / Q000009:adverse effects* / Q000191:economics; D011687:Purines; D012307:Risk Factors; D000068677:Sildenafil Citrate; D013450:Sulfones
chemical_list: D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate