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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
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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.
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, 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
Ong CN, Shi CY, Chia SE, Chua SC, Ong HY, Lee BL, Ng TP, Teramoto K.Ong CN, et al. Among authors: ong hy.Am J Ind Med. 1994 May;25(5):719-30. doi: 10.1002/ajim.4700250511.Am J Ind Med. 1994.PMID: 8030642
Chia KS, Mutti A, Tan C, Ong HY, Jeyaratnam J, Ong CN, Lee E.Chia KS, et al. Among authors: ong cn, ong hy.Occup Environ Med. 1994 Feb;51(2):125-9. doi: 10.1136/oem.51.2.125.Occup Environ Med. 1994.PMID: 8111460Free PMC article.
Yang XF, Lee BL, New AL, Ong HY, Ma L, Zhang Q, Ong CN.Yang XF, et al. Among authors: ong cn, ong hy.Am J Ind Med. 1996 Mar;29(3):269-74. doi: 10.1002/(SICI)1097-0274(199603)29:3<269::AID-AJIM6>3.0.CO;2-L.Am J Ind Med. 1996.PMID: 8833779
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Shi CY, Chua SC, Lee BL, Ong HY, Jeyaratnam J, Ong CN.Shi CY, et al. Among authors: ong cn, ong hy.Int Arch Occup Environ Health. 1994;65(5):319-23. doi: 10.1007/BF00405696.Int Arch Occup Environ Health. 1994.PMID: 8175187