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Khan SA, Waqas M, Ujjan BU, Salim A, Javed G, Ahmed SI, Surani M, Khan M.Khan SA, et al. Among authors: ujjan bu.World Neurosurg. 2016 Apr;88:370-373. doi: 10.1016/j.wneu.2015.12.086. Epub 2016 Jan 2.World Neurosurg. 2016.PMID: 26752090
Riyaz M, Waqas M, Ujjan BU, Akhunzada NZ, Hadi YB, Javed G, Bari ME.Riyaz M, et al. Among authors: ujjan bu.Childs Nerv Syst. 2015 Nov;31(11):2117-22. doi: 10.1007/s00381-015-2808-1. Epub 2015 Jul 5.Childs Nerv Syst. 2015.PMID: 26143279
Khan SA, Nathani KR, Ujjan BU, Barakzai MD, Enam SA, Shafiq F.Khan SA, et al. Among authors: ujjan bu.J Pak Med Assoc. 2016 Oct;66(Suppl 3)(10):S68-S71.J Pak Med Assoc. 2016.PMID: 27895359
Khan SA, Waqas M, Siddiqui M, Ujjan BU, Khan M, Bari ME, Azeem MA.Khan SA, et al. Among authors: ujjan bu.J Pak Med Assoc. 2020 Feb;70(2):252-258. doi: 10.5455/JPMA.285942.J Pak Med Assoc. 2020.PMID: 32063616
Khan SA, Ujjan BU, Salim A, Shamim S.Khan SA, et al. Among authors: ujjan bu.Surg Neurol Int. 2016 Jan 20;7:7. doi: 10.4103/2152-7806.174599. eCollection 2016.Surg Neurol Int. 2016.PMID: 26862446Free PMC article.
Waqas M, Hadi YB, Ujjan B, Javed G.Waqas M, et al.BMJ Case Rep. 2015 Apr 2;2015:bcr2014206707. doi: 10.1136/bcr-2014-206707.BMJ Case Rep. 2015.PMID: 25837650Free PMC article.