1. Bezoars and concretions: comprehensive review of literature with analysis of 303 collected cases and presentation of 8 additional cases;DeBakey;Surgery,1939
2. Intestinal obstruction by food;Ward-McQuaid;Lancet,1956
3. Bezoares en operados del estómago: dos observaciones con oclusión intestinal;Vilar;Revista Quirurgica Española,1973
4. Intestinal obstruction due to citrus fruits after partial gastrectomy;Norberg;Acta Chirurgica Scandinavica,1955