Citation

US FDA 1997: United States Food and Drug Administration. Dietary Supplements Containing Ephedrine Alkaloids [online]. Federal Register, Volume 62, Number 107, June 4,1997, Proposed Rule. Docket Number 95N-0304. Rockville (MD): Department of Health and Human Services, U.S. Food and Drug Administration. [Accessed 2009 November 23]. Available from: http://frwebgate1.access.gpo.gov/cgi-bin/TEXTgate.cgi?WAISdocID=999886443355+0+1+0&WAISaction=retrieve