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Chia KS, Tan AL, Chia SE, Ong CN, Jeyaratnam J.Chia KS, et al. Among authors: ong cn.Ann Acad Med Singap. 1992 Nov;21(6):756-9.Ann Acad Med Singap. 1992.PMID: 1284195
Ng TP, Goh HH, Ng YL, Ong HY, Ong CN, Chia KS, Chia SE, Jeyaratnam J.Ng TP, et al. Among authors: ong cn, ong hy.Br J Ind Med. 1991 Jul;48(7):485-91. doi: 10.1136/oem.48.7.485.Br J Ind Med. 1991.PMID: 1906733Free PMC article.
Foo SC, Jeyaratnam J, Ong CN, Khoo NY, Koh D, Chia SE.Foo SC, et al. Among authors: ong cn.Am Ind Hyg Assoc J. 1991 May;52(5):212-7. doi: 10.1080/15298669191364613.Am Ind Hyg Assoc J. 1991.PMID: 1951061
Chia KS, Ong CN, Ong HY, Endo G.Chia KS, et al. Among authors: ong cn, ong hy.Br J Ind Med. 1989 Mar;46(3):165-70. doi: 10.1136/oem.46.3.165.Br J Ind Med. 1989.PMID: 2649143Free PMC article.
Chia KS, Phoon WO, Ong CN, Koh D.Chia KS, et al. Among authors: ong cn.Ann Acad Med Singap. 1987 Apr;16(2):324-7.Ann Acad Med Singap. 1987.PMID: 3688808
Chia KS, Jeyaratnam J, Tan C, Ong HY, Ong CN, Lee E.Chia KS, et al. Among authors: ong cn, ong hy.Toxicol Lett. 1995 May;77(1-3):319-28. doi: 10.1016/0378-4274(95)03313-0.Toxicol Lett. 1995.PMID: 7542405
Chia KS, Jeyaratnam J, Lee J, Tan C, Ong HY, Ong CN, Lee E.Chia KS, et al. Among authors: ong cn, ong hy.Am J Ind Med. 1995 Jun;27(6):883-95. doi: 10.1002/ajim.4700270612.Am J Ind Med. 1995.PMID: 7544066
Chia SE, Jeyaratnam J, Ong CN, Ng TP, Lee HS.Chia SE, et al. Among authors: ong cn.Am J Ind Med. 1994 Oct;26(4):481-8. doi: 10.1002/ajim.4700260405.Am J Ind Med. 1994.PMID: 7810546
Chia SE, Ong CN, Lee ST, Tsakok FH.Chia SE, et al. Among authors: ong cn.Ann Acad Med Singap. 1994 Sep;23(5):645-9.Ann Acad Med Singap. 1994.PMID: 7847740