Viagra (Vietnamese Wikipedia)

Analysis of information sources in references of the Wikipedia article "Viagra" in Vietnamese language version.

refsWebsite

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34^th place

104^th place

drugs.com

“Sildenafil Citrate”. The American Society of Health-System Pharmacists. Truy cập ngày 1 tháng 12 năm 2014.

Boolell, M; Allen, MJ; Ballard, SA; Gepi-Attee, S; Muirhead, GJ; Naylor, AM; Osterloh, IH; Gingell, C (tháng 6 năm 1996). “Sildenafil: an Orally Active Type 5 Cyclic GMP-Specific Phosphodiesterase Inhibitor for the Treatment of Penile Erectile Dysfunction”. International Journal of Impotence Research. 8 (2): 47–52. PMID 8858389.