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Vijaya Bhaskar Reddy A, Yusop Z, Jaafar J, Bin Aris A, Abdul Majid Z, Umar K, Talib J.Vijaya Bhaskar Reddy A, et al. Among authors: umar k.J Sep Sci. 2016 Jun;39(12):2276-83. doi: 10.1002/jssc.201600155.J Sep Sci. 2016.PMID: 27095506
Ahmad H, Umar K, Ali SG, Singh P, Islam SS, Khan HM.Ahmad H, et al. Among authors: umar k.Mikrochim Acta. 2018 May 10;185(6):290. doi: 10.1007/s00604-018-2829-z.Mikrochim Acta. 2018.PMID: 29748777
Ahmad H, Haseen U, Umar K, Ansari MS, Ibrahim MNM.Ahmad H, et al. Among authors: umar k.Mikrochim Acta. 2019 Aug 27;186(9):649. doi: 10.1007/s00604-019-3753-6.Mikrochim Acta. 2019.PMID: 31456042
Yaqoob AA, Ahmad H, Parveen T, Ahmad A, Oves M, Ismail IMI, Qari HA, Umar K, Mohamad Ibrahim MN.Yaqoob AA, et al. Among authors: umar k.Front Chem. 2020 May 19;8:341. doi: 10.3389/fchem.2020.00341. eCollection 2020.Front Chem. 2020.PMID: 32509720Free PMC article.Review.
Umar S, Mohamad Ibrahim MN, Umar K, Ahmad N.Umar S, et al. Among authors: umar k.Front Chem. 2020 Nov 16;8:597800. doi: 10.3389/fchem.2020.597800. eCollection 2020.Front Chem. 2020.PMID: 33304886Free PMC article.No abstract available.
Yaqoob AA, Mohamad Ibrahim MN, Umar K, Bhawani SA, Khan A, Asiri AM, Khan MR, Azam M, AlAmmari AM.Yaqoob AA, et al. Among authors: umar k.Polymers (Basel). 2020 Dec 30;13(1):135. doi: 10.3390/polym13010135.Polymers (Basel). 2020.PMID: 33396931Free PMC article.