1. Intestinal obstruction due to food;Ward-McQuaid;Brit. M. J.,1950
2. Intestinal obstruction due to citrus fruits after partial gastrectomy;Norberg;Acta chir. Scandinav.,1955
3. Intestinal obstruction due to food;Norberg;Surg. Gynec. & Obst.,1961
4. Intestinal Obstructions;Wangensteen,1955
5. Intestinal obstruction due to phytobezoar;Newburger;Rev. Gastroenterol.,1941