1. 1. Oliveira Costa AC, Sabino Pinho CP, Almeida dos Santos AD, Santos do Nascimento AC. Pressure ulcer: Incidence and demographic, clinical and nutrition factors associated in intensive care unit patients. Nutr Hosp. 2015; 32:2242-2252. (in Spanish)
2. 2. Abdukadyrov MA, Baizakov UB. A rare case of a silent, "kissing" or "mirror(-image)" ulcer of the stomach. Sov Zdravookhr Kirg. 1966; 2:61-62. (in Russian)
3. 3. Dedic M. "Kissing ulcers" of the stomach. Srp Arh Celok Lek. 1963; 91:79-85.
4. 4. Mensier A, Bounoua F, Beretvas G, Mosoi A, Dardenne S. Kissing gastric ulcers causing acute pancreatitis and portal biliopathy: What's the link? JOP 2013; 14:646-648.
5. 5. Verhaeghe M, Depadt G, Laurent JC, Clay A. Transformed double gastric ulcer (kissing ulcer). Gastrectomy. 12-year recovery. Lille Med 1973; 18:691-695. (in French)