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EFSA 2009: European Food Safety Authority. 2009. EFSA Panel on Dietetic Products, Nutrition and Allergies; Scientific Opinion on the substantiation of health claims related to glucomannan and maintenance of normal blood cholesterol concentrations (ID 836, 1560) pursuant to Article 13(1) of Regulation (EC) No 1924/2006 on request from the European Commission. EFSA Journal 7(9): 1258. doi:10.2903/j.efsa.2009.1258. [Accessed 2009-12-23]. Available from: