57.Nagao T, Hase T, Tokimitsu I. A green tea extract high in catechins reduces body fat and cardiovascular risks in humans. Obesity (Silver Spring) 2007;15:1473–83. http://www.nature.com/oby/journal/v15/n6/full/oby2007176a.html
58.Hsin-Yi Yang, Suh-Ching Yang, Jane C.-J. Chao and Jiun-Rong Chen (2012). Beneficial effects of catechin-rich green tea and inulin on the body composition of overweight adults. British Journal of Nutrition, 107, pp 749-754. http://www.ncbi.nlm.nih.gov/pubmed?term=10.1017%2FS0007114511005095
59.Schönthal AH. Adverse effects of concentrated green tea extracts. Mol Nutr Food Res. 2011 Jun;55(6):874-85. http://www.ncbi.nlm.nih.gov/pubmed/21538851