Direct sale of sildenafil (Viagra) to consumers over the Internet

N Engl J Med. 1999 Oct 28;341(18):1389-92. doi: 10.1056/NEJM199910283411810.
No abstract available

Publication types

  • Research Support, U.S. Gov't, P.H.S.

MeSH terms

  • 3',5'-Cyclic-GMP Phosphodiesterases / antagonists & inhibitors*
  • Commerce / standards
  • Commerce / statistics & numerical data*
  • Drug Prescriptions / standards
  • Drug Prescriptions / statistics & numerical data*
  • Erectile Dysfunction / diagnosis
  • Erectile Dysfunction / drug therapy*
  • Humans
  • Internet / standards
  • Internet / statistics & numerical data*
  • Male
  • Medical History Taking / statistics & numerical data
  • Office Visits
  • Phosphodiesterase Inhibitors*
  • Piperazines*
  • Practice Patterns, Physicians' / statistics & numerical data
  • Purines
  • Sildenafil Citrate
  • Sulfones
  • Surveys and Questionnaires
  • United States

Substances

  • Phosphodiesterase Inhibitors
  • Piperazines
  • Purines
  • Sulfones
  • Sildenafil Citrate
  • 3',5'-Cyclic-GMP Phosphodiesterases