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Khan UR, Chandran A, Zia N, Huang CM, Stewart De Ramirez S, Feroze A, Hyder AA, Razzak JA.Khan UR, et al.Arch Dis Child. 2013 Nov;98(11):881-6. doi: 10.1136/archdischild-2013-303907. Epub 2013 Aug 30.Arch Dis Child. 2013.PMID: 23995075Free PMC article.
Khan NU, Razzak JA, Ahmed H, Furqan M, Saleem AF, Alam H, ul Huda A, Khan UR, Rehmani R.Khan NU, et al. Among authors: khan ur.Int J Emerg Med. 2008 Apr;1(1):27-34. doi: 10.1007/s12245-008-0016-4. Epub 2008 Mar 18.Int J Emerg Med. 2008.PMID: 19384498Free PMC article.
Razzak JA, Khan UR, Azam I, Nasrullah M, Pasha O, Malik M, Ghaffar A.Razzak JA, et al. Among authors: khan ur.East Mediterr Health J. 2011 Sep;17(9):654-64.East Mediterr Health J. 2011.PMID: 22259915Free article.
Zia N, Khan UR, Razzak JA, Puvanachandra P, Hyder AA.Zia N, et al. Among authors: khan ur.BMC Res Notes. 2012 Jan 19;5:37. doi: 10.1186/1756-0500-5-37.BMC Res Notes. 2012.PMID: 22260430Free PMC article.