| http://www.w3.org/ns/prov#value | - January 2013, Sports Illustrated reported that Singh admitted to using a product called ???The Ultimate Spray.??? The spray contains trace amounts of Insulin-Like Growth Factor-1 (IGF-1), which is banned by the World Anti-Doping Agency (WADA) and the PGA. Although IGF-1, in small amounts, is a naturally occurring hormone in the human body, the spray is derived from deer antlers.
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