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Singh D, Teo SG, Omar AR, Poh KK.Singh D, et al. Among authors: omar ar.Singapore Med J. 2014 Sep;55(9):451-4; quiz 455. doi: 10.11622/smedj.2014112.Singapore Med J. 2014.PMID: 25273927Free PMC article.
Omar AR, Suppiah N, Chai P, Chan YH, Seow YH, Quek LL, Poh KK, Tan HC.Omar AR, et al.Singapore Med J. 2007 Jun;48(6):528-31.Singapore Med J. 2007.PMID: 17538751Free article.
Seow SC, Omar AR, Hong EC.Seow SC, et al. Among authors: omar ar.Singapore Med J. 2011 Sep;52(9):647-50; quiz 651.Singapore Med J. 2011.PMID: 21947139Free article.
Omar AR, Ng KS, Ng WL, Sutandar A.Omar AR, et al.Intern Med J. 2004 Aug;34(8):504-6. doi: 10.1111/j.1444-0903.2004.00626.x.Intern Med J. 2004.PMID: 15317550