Citation

EMA 2009: EMA/HMPC/332350/2008 Community herbal monograph on ECHINACEA PALLIDA (NUTT.) NUTT., RADIX, Final. 16 July 2009. London (GB): European Medicines Agency: Committee on Herbal Medicinal Products (HMPC). [Accessed 2011 March 7]. Available from: http://www.ema.europa.eu