title: The ten most commonly asked questions about sildenafil (Viagra).
authors.affiliation: University of California, San Francisco, USA.
authors.forename: M D
authors.initials: MD
authors.lastname: Cheitlin
mesh_terms: D002316:Cardiotonic Agents / Q000494:pharmacology* / Q000627:therapeutic use; D002318:Cardiovascular Diseases / Q000150:complications / Q000188:drug therapy; D004347:Drug Interactions; D007172:Erectile Dysfunction / Q000150:complications / Q000188:drug therapy; D006207:Half-Life; D006801:Humans; D007022:Hypotension / Q000139:chemically induced; D008297:Male; D010353:Patient Education as Topic; D010726:Phosphodiesterase Inhibitors / Q000494:pharmacology* / Q000627:therapeutic use; D010879:Piperazines / Q000494:pharmacology* / Q000627:therapeutic use; D011687:Purines; D018570:Risk Assessment; D000068677:Sildenafil Citrate; D013450:Sulfones; D014665:Vasodilator Agents / Q000494:pharmacology* / Q000627:therapeutic use
chemical_list: D002316:Cardiotonic Agents; D010726:Phosphodiesterase Inhibitors; D010879:Piperazines; D011687:Purines; D013450:Sulfones; D014665:Vasodilator Agents; D000068677:Sildenafil Citrate