title: Is sex medically necessary? Who should pay for Viagra?
authors: J
authors: J
authors: La Puma
mesh_terms: D003361:Cost Allocation; D016527:Drug Costs; D004791:Enzyme Inhibitors / Q000191:economics* / Q000627:therapeutic use; D007172:Erectile Dysfunction / Q000175:diagnosis / Q000188:drug therapy* / Q000523:psychology; D005260:Female; D006279:Health Maintenance Organizations / Q000191:economics*; D006801:Humans; D007356:Insurance, Pharmaceutical Services; D008297:Male; D010879:Piperazines / Q000191:economics* / Q000627:therapeutic use; D011687:Purines; D011788:Quality of Life; D000068677:Sildenafil Citrate; D012959:Socioeconomic Factors; D013450:Sulfones; D014481:United States
chemical_list: D004791:Enzyme Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D000068677:Sildenafil Citrate