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Ching SM, Hamidin A, Vasudevan R, Sazlyna MS, Wan Aliaa WS, Foo YL, Yee A, Hoo FK.Ching SM, et al. Among authors: hoo fk.Med J Malaysia. 2017 Feb;72(1):7-11.Med J Malaysia. 2017.PMID: 28255133Free article.