Ramin Shakeri, Farhad Zamani, Rasoul Sotoudehmanesh, Afsaneh Amiri, Mehdi Mohamadnejad, Fereydoun Davatchi, Ali M Karakani, Reza Malekzadeh and Farhad Shahram*
* Corresponding author: Farhad Shahram shahram@neda.net
BMC Gastroenterology 2009, 9:44 doi:10.1186/1471-230X-9-44