Document Type : Conference Proceedings
1 Department of medicine, zahedan university of medical sciences, zahedan, IR Iran. NO: 09151405378 e-mail address: Ma_farsizaban@yahoo.com
2 Ms medical physic, department of para medicine, Zahedan University of Medical Sciences, Zahedan, I.R. Iran.
3 Medical students research commitee , Zahedan University of Medical Sciences , Zahedan, I.R.Iran .NO:09156094283 e-mail address: Mahsapoorjangi@yahoo.com