Tomizawa M, Shinozaki F, Hasegawa R, Togawa A, Shirai Y, Ichiki N, Motoyoshi Y, Sugiyama T, Yamamoto S, Sueishi M. Reduced hemoglobin and increased C-reactive protein are associated with upper gastrointestinal bleeding. World J Gastroenterol 2014; 20(5): 1311-1317 [PMID: 24574805 DOI: 10.3748/wjg.v20.i5.1311]