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6 -  Haverkamp L, Brenkman HJ, Ruurda JP et al. The Oncological Value of Omentectomy in Gastrectomy for Cancer. Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract. 2016;20(5):885-90 #http://www.ncbi.nlm.nih.gov/pubmed/26895951.