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Ng EH, Ng FC, Tan PH, Low SC, Chiang G, Tan KP, Seow A, Emmanuel S, Tan CH, Ho GH, Ng LT, Wilde CC.Ng EH, et al. Among authors: tan ph, tan kp, tan ch.Cancer. 1998 Apr 15;82(8):1521-8.Cancer. 1998.PMID: 9554530Clinical Trial.
Seow A, Straughan PT, Ng EH, Emmanuel SC, Tan CH, Lee HP.Seow A, et al. Among authors: tan ch.Cancer Causes Control. 1997 Sep;8(5):771-9. doi: 10.1023/a:1018439623384.Cancer Causes Control. 1997.PMID: 9328200
Seow A, Straughan PT, Ng EH, Emmanuel SC, Tan CH, Lee HP.Seow A, et al. Among authors: tan ch.Ann Acad Med Singap. 1998 Mar;27(2):154-60.Ann Acad Med Singap. 1998.PMID: 9663301
Ng TP, Mak KH, Phua KH, Tan CH.Ng TP, et al. Among authors: tan ch.Ann Acad Med Singap. 1999 May;28(3):395-401.Ann Acad Med Singap. 1999.PMID: 10575526
Sin YM, Tan CH, Chan SF.Sin YM, et al. Among authors: tan ch.Agents Actions. 1989 Aug;28(1-2):98-102. doi: 10.1007/BF02022988.Agents Actions. 1989.PMID: 2782225
Tan CH, Tachezy R, Van Ranst M, Chan SY, Bernard HU, Burk RD.Tan CH, et al.Virology. 1994 Feb;198(2):534-41. doi: 10.1006/viro.1994.1064.Virology. 1994.PMID: 8291235