The principle for the National Health Service is easy. The practice is a great deal more difficult. Around the world, health systems have reacted in sharply differing ways to the arrival of Viagra,
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/impotence-pains
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/financial-times-london
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health