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Ooi LP, Sim CS, Peck RH, Soo KC.Ooi LP, et al. Among authors: sim cs.Aust N Z J Surg. 1993 Mar;63(3):240-2. doi: 10.1111/j.1445-2197.1993.tb00529.x.Aust N Z J Surg. 1993.PMID: 8311806
Tan KL, Mah PK, Rajasoorya C, Sim CS, Chia FK.Tan KL, et al. Among authors: sim cs.Ann Acad Med Singap. 1996 Jul;25(4):592-5.Ann Acad Med Singap. 1996.PMID: 8893937
Lee HC, Tan KW, Chia MW, Sim CS.Lee HC, et al. Among authors: sim cs.Singapore Med J. 2012 Dec;53(12):e267-8.Singapore Med J. 2012.PMID: 23268171Free article.
Yip SK, Cheng C, Wong MY, Tan BH, Sim CS, Lim SH.Yip SK, et al. Among authors: sim cs.Ann Acad Med Singap. 1998 Nov;27(6):873-6.Ann Acad Med Singap. 1998.PMID: 10101568Review.