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1 สมุนไพรไทย

2 The anti-religious effect of drugs

3 Enhancing sexual desire

4 Underestimated marijuana

5 Self-cognition and genes

6 Language diversity protects against cultural imperialism

7 Wrong perceptions about democracy

8 Knowledge of purpose

9 What to do

10 Sexual motivation in roundworms and humans

References:

1 Mazlina Mohd Said, , Simon Gibbons, Anthony C. Moffat, Mire Zloh, Rapid detection of sildenafil analogue in Eurycoma longifolia products using a new two-tier procedure of the near infrared (NIR) spectra database, Science Direct, Food Chemistry Volume 158, 1 September 2014, Pages 296-301.

2 L. Li, M.-Y. Low, F. Aliwarga, J. Teo, X.-W. Ge, Y. Zeng, B.C. Bloodworthb & H.-L. Koha, Isolation and identification of hydroxythiohomosildenafil in herbal dietary supplements sold as sexual performance enhancement products, Taylor & Francis Online, Food Additives & Contaminants: Part A Volume 26, Issue 2, 2009 pages 145-151.

3 Tagami T, Takeda A, Asada A, Aoyama A, Doi T, Kajimura K, Sawabe Y, Simultaneous identification of hydroxythiohomosildenafil, aminotadalafil, thiosildenafil, dimethylsildenafil, and thiodimethylsildenafil in dietary supplements using high-performance liquid chromatography-mass spectrometry., Europe PubMed Central, Journal of the Food Hygienic Society of Japan [2013, 54(3):232-236].

4 Yan Ren, Caisheng Wu andJinlan Zhang, Simultaneous screening and determination of 18 illegal adulterants in herbal medicines and health foods for male sexual potency by ultra-fast liquid chromatography-electrospray ionization tandem mass spectrometry, Wiley Online Library, Journal of Separation Science Volume 35, Issue 21, pages 2847-2857, November 2012.

5 B.J. Venhuis, D. de Kaste, Towards a decade of detecting new analogues of sildenafil, tadalafil and vardenafil in food supplements: A history, analytical aspects and health risks, Science Direct, Journal of Pharmaceutical and Biomedical Analysis Volume 69, October 2012, Pages 196-208.