1 Robert C. Bird, Counterfeit Drugs: A Global Consumer Perspective, HeinOnline, Wake Forest Intell. Prop. L.J. 387 (2007-2008) Vol. 8 No. 3.
2 Paul N Newton, MRCP, Michael D Green, PhD, Facundo M Fernandez, PhD, Nicholas PJ Day, FRCP, Nicholas J White, FRS, Counterfeit anti-infective drugs, Science Direct, The Lancet Infectious Diseases Volume 6, Issue 9, September 2006, Pages 602-613.
3 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
4 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.
5 Hart, S. and Hoe, L. and Hogg, G.M., Faking it: Counterfeiting and consumer contradictions, European Advances in Consumer Behaviour, 6. pp. 60-67. ISSN 0306-8293 (2004).
6 All our capsules are marked SPB as shown in the photo below. Most of our products are sold by resellers, listed here.