The economics of Viagra

MeSH terms

• Drug Costs / statistics & numerical data
• Drug Costs / trends
• Drug Industry / economics*
• Economic Competition
• Erectile Dysfunction / drug therapy*
• Health Maintenance Organizations / economics
• Humans
• Insurance Coverage / economics*
• Japan
• Life Style
• Marketing of Health Services / organization & administration*
• Medicare / economics
• Phosphodiesterase Inhibitors / economics*
• Phosphodiesterase Inhibitors / therapeutic use
• Piperazines / economics*
• Piperazines / therapeutic use
• Purines
• Sildenafil Citrate
• Sulfones
• United Kingdom
• United States