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History
- Published online February 21, 2021.
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Copyright: © Saudi Medical Journal This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial License (CC BY-NC), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Author Information
- Department of Pediatrics, Children Medical Center Hospital, Tehran University of Medical Sciences, 2nd floor, No. 25, Maleki St., Gisha, Tehran, Iran. Tel. +98 (21) 88276071 / +98 (932) 9169287. E-mail: behzad448{at}yahoo.com
- Student's Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran.