1. Bhatnagar V, Mitra DK. Childhood trichobezoars.Indian J. Pediatr. 1984; 51: 489–492.
2. DeBakey ME, Ochsne A. Bezoars and concretions.Surgery 1939; 5: 132–160.
3. Grosfeld JL, Schreiner RL, Franken EAet al. The changing pattern of gastro-intestinal bezoars in infants and children.Surgery 1988; 88: 425–431.
4. Rao PLNG, Kumar V, Pathak IC, Mitra SK. Small bowel Trichobezoar with obstruction and perforation.Indian Paedtr 1979; 16: 1041–1043.
5. Sandhu NP, Gupta NM. Trichobezoar: A rare cause of gastric perforation.Indian J Gastroenterol 1989; 8 : 302.