1 Know your enemies, and your prey
2 Relocate with money
3 Brain chemistry and improved orgasms
4 Promoting sex tourism?
5 Negative feedback
6 The anti-religious effect of drugs
7 The metaphysical relevance of sexual enhancement
8 Female adaptations
9 Why women have all reason to support legalizing marijuana
10 Catholic priests
1 Merri C. Moken, Fake Pharmaceuticals: How They and Relevant Legislation or Lack Thereof Contribute to Consistently High and Increasing Drug Prices, HeinOnline, American Journal of Law & Medicine, 29 (2003): 525-42
2 Saranjit Singh, , Bhagwat Prasad, Akash A. Savaliya, Ravi P. Shah, Vikrantsinh M. Gohil, Amandeep Kaur, Strategies for characterizing sildenafil, vardenafil, tadalafil and their analogues in herbal dietary supplements, and detecting counterfeit products containing these drugs, Science Direct, TrAC Trends in Analytical Chemistry Volume 28, Issue 1, January 2009, Pages 13-28.