Document Type : Research Paper
Authors
1 Assistant professor, Department of Emergency medicine, Mashhad University of Medical sciences
2 Associated professor, Department of pediatrics, Mashhad University of Medical sciences
3 professor, Department of biostatics, Mashhad University of Medical sciences.
4 Assistant professor, Department of occupational medicine, Mashhad University of Medical sciences.
5 Emergency Medicine specialist
6 Medical Assistant, Department of Emergency medicine, Mashhad University of Medical sciences
Abstract