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Mungmunpuntipantip R, Wiwanitkit V.Mungmunpuntipantip R, et al. Among authors: wiwanitkit v.Singapore Med J. 2019 Oct;60(10):553. doi: 10.11622/smedj.2019117.Singapore Med J. 2019.PMID: 31663096Free PMC article.No abstract available.