1. 1) The World Health Organisation, Bull. World Health Organization, 88(4), 247-248 (2010).
2. 2) The World Health Organisation. “Counterfeit drugs: report of a WHO/IFPMA Workshop,” 1992: 〈http://whqlibdoc.who.int/hq/1992/WHO_DMP_CFD_92.pdf〉, cited 21 August, 2013.
3. 3) The World Health Organisation. Medicines: spurious/falsely-labelled/falsified/counterfeit (SFFC) medicines. Fact sheet N°275, 2012: 〈http://www.who.int/mediacentre/factsheets/fs275/en/〉, cited 21 August, 2013.
4. 4) The Ministry of Health, Labour and Welfare, Japan (MHLW). “FY2011 Purchase survey of Internet sales product,” 2012: 〈http://www.mhlw.go.jp/houdou/2012/11/h121113-1.html〉, cited 21 August, 2013.
5. 5) Pfizer Japan Inc., Bayer Yakuhin, Ltd., Eli Lilly Japan K. K., Nippon Shinyaku Co., Ltd. “Counterfeit goods is about 60% of ED treatment drug that was available on the Internet-Risk of health damage growing in Japan,” 2009. 〈http://www.pfizer.co.jp/pfizer/company/press/2009/2009_12_02.html〉, cited 21 August, 2013.