57.Taylor RS, Brown A, Ebrahim S, Jolliffe J, Noorani H, Rees K, Skidmore B, Stone JA, Thompson DR, Oldridge N. Exercise-based rehabilitation for patients with coronary heart disease: systematic review and meta-analysis of randomized controlled trials. Am J Med. 2004 May 15;116(10):682-92. http://exerciseprescription.wiki.uml.edu/file/view/Taylor%20et%20al,%202004.pdf
58.Klare WR. More physical activity in patients with diabetes. Article in German. MMW Fortschr Med. 2007 May 10;149(19):36-9; quiz 40. http://www.ncbi.nlm.nih.gov/pubmed/17668790
59.Li J, Zhang W, Guo Q, Liu X, Zhang Q, Dong R, Dou H, Shi J, Wang J, Yu D. Duration of exercise as a key determinant of improvement in insulin sensitivity in type 2 diabetes patients. Tohoku J Exp Med. 2012;227(4):289-96. http://www.ncbi.nlm.nih.gov/pubmed/22850594