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Yap TW, Rabu A, Abu Bakar FD, Rahim RA, Mahadi NM, Illias RM, Murad AM.Yap TW, et al.ScientificWorldJournal. 2014;2014:642891. doi: 10.1155/2014/642891. Epub 2014 Mar 25.ScientificWorldJournal. 2014.PMID: 24982972Free PMC article.
Sim SBD, Lee HZS, Ong MC, Zhang S, Lim KA, Lim JLW, Yap TWA.Sim SBD, et al. Among authors: yap twa.Drug Test Anal. 2024 Apr;16(4):420-434. doi: 10.1002/dta.3561. Epub 2023 Aug 12.Drug Test Anal. 2024.PMID: 37572031