Authors
1 Department of Pediatrics Gastroenterology, Faculty of Medicine,Mashhad University of Medical Sciences, Mashhad, Iran.
2 Department of Pediatrics, Mashhad University of Medical Sciences, Mashhad, Iran.
3 Department of Pediatrics, North Khorasan University of Medical Sciences, Bojnurd, Iran.
4 General Physician, Mashhad University of Medical Sciences, Mashhad, Iran.
Abstract
Keywords