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Kityk IV, Umar AA, Oyama M.Kityk IV, et al. Among authors: umar aa.Appl Opt. 2005 Nov 10;44(32):6905-9. doi: 10.1364/ao.44.006905.Appl Opt. 2005.PMID: 16294964
Goyal RN, Oyama M, Umar AA, Tyagi A, Bachheti N.Goyal RN, et al. Among authors: umar aa.J Pharm Biomed Anal. 2007 Sep 3;44(5):1147-53. doi: 10.1016/j.jpba.2007.05.033. Epub 2007 Jun 2.J Pharm Biomed Anal. 2007.PMID: 17629438
Umar AA, Iwantono I, Abdullah A, Salleh MM, Oyama M.Umar AA, et al.Nanoscale Res Lett. 2012 May 15;7(1):252. doi: 10.1186/1556-276X-7-252.Nanoscale Res Lett. 2012.PMID: 22587640Free PMC article.
Tan ST, Umar AA, Balouch A, Yahaya M, Yap CC, Salleh MM, Oyama M.Tan ST, et al. Among authors: umar aa.Ultrason Sonochem. 2014 Mar;21(2):754-60. doi: 10.1016/j.ultsonch.2013.10.009. Epub 2013 Oct 19.Ultrason Sonochem. 2014.PMID: 24184009Free article.
Menon PS, Said FA, Mei GS, Berhanuddin DD, Umar AA, Shaari S, Majlis BY.Menon PS, et al. Among authors: umar aa.PLoS One. 2018 Jul 27;13(7):e0201228. doi: 10.1371/journal.pone.0201228. eCollection 2018.PLoS One. 2018.PMID: 30052647Free PMC article.
Mohammad Naim N, Abdullah H, Umar AA, Abdul Hamid A, Shaari S.Mohammad Naim N, et al. Among authors: umar aa.ScientificWorldJournal. 2015;2015:696521. doi: 10.1155/2015/696521. Epub 2015 May 20.ScientificWorldJournal. 2015.PMID: 26078996Free PMC article.
Alosfur FK, Jumali MH, Radiman S, Ridha NJ, Yarmo MA, Umar AA.Alosfur FK, et al. Among authors: umar aa.Nanoscale Res Lett. 2013 Aug 6;8(1):346. doi: 10.1186/1556-276X-8-346.Nanoscale Res Lett. 2013.PMID: 23919496Free PMC article.