Adv Dent Res, Vol. 17, No. 1. (1 December 2003), pp. 4-8.
Nature, Vol. 438, No. 7070. (14 December 2005), pp. 900-901.
BMJ, Vol. 332, No. 7544. (1 April 2006)
Pediatrics, Vol. 109, No. 3. (1 March 2002), pp. 522-523.
Arch Dis Child, Vol. 87, No. 6. (December 2002), pp. 534-536.
Journal of Paediatrics and Child Health, Vol. 42, No. 9. (September 2006), pp. 528-532.
Arch Pediatr Adolesc Med, Vol. 158, No. 9. (September 2004), pp. 864-866.
JAMA, Vol. 287, No. 20. (9 2002), pp. 2691-2700.
BMJ, Vol. 333, No. 7579. (2 December 2006), pp. 1143-1145.
BMC Medical Education, Vol. 6 (15 August 2006), 41.
Arch Pediatr Adolesc Med, Vol. 158, No. 9. (September 2004), pp. 857-862.
BMJ, Vol. 331, No. 7531. (24 December 2005), pp. 1487-1488.
Pediatrics, Vol. 116, No. 5. (November 2005), pp. e643-e647.
Indian Pediatr, Vol. 42, No. 11. (November 2005), pp. 1086-1091.
Arch Dis Child, Vol. 88, No. 5. (May 2003), pp. 408-413.
J Pediatr Surg, Vol. 42, No. 2. (February 2007), pp. 305-312.
BMC Medicine, Vol. 4 (15 August 2006), 18.
Pediatrics, Vol. 114, No. 3. (1 September 2004), pp. 817-819.
BMJ, Vol. 333, No. 7582. (23 December 2006), pp. 1283-1284.
Aten Primaria, Vol. 28, No. 10. (December 2001), pp. 674-679.
N Engl J Med, Vol. 353, No. 19. (10 November 2005), pp. 2089-2090.
BMJ, Vol. 324, No. 7337. (9 March 2002), pp. 569-573.
BMJ, Vol. 324, No. 7337. (9 March 2002), pp. 573-577.
Journal of Librarianship and Information Science, Vol. 38, No. 3. (1 September 2006), pp. 141-156.
JAMA, Vol. 287, No. 21. (5 June 2002), pp. 2869-2871.
Pediatrics, Vol. 117, No. 2. (1 February 2006), pp. 417-424.