1 Negative feedback
2 Solidarity unions
3 Know your enemies, and your prey
4 Hypothalamic stimulation
5 Enhancing sexual desire
6 The anti-religious effect of drugs
7 Sexual market value in Asia and Europe
8 American religious lunacy
9 Language diversity protects against cultural imperialism
10 Living in Third World countries
1 MD. MOKLESUR RAHMAN SARKER, ADULTERATION OF HERBAL MEDICINES AND DIETARY SUPPLEMENTS WITH UNDECLARED SYNTHETIC DRUGS: DANGEROUS FOR HUMAN HEALTH, Innovare Academic Sciences, International Journal of Pharmacy and Pharmaceutical Sciences Vol 6, Issue 4, 2014.
2 Ida Fejos, Gábor Neumajer, Szabolcs Béni, Péter Jankovics, Qualitative and quantitative analysis of PDE-5 inhibitors in counterfeit medicines and dietary supplements by HPLC–UV using sildenafil as a sole reference, Science Direct, Journal of Pharmaceutical and Biomedical Analysis Volume 98, September 2014, Pages 327-333.