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Lee VJ, Tan SC, Earnest A, Seong PS, Tan HH, Leo YS.Lee VJ, et al. Among authors: tan sc, tan hh.J Acquir Immune Defic Syndr. 2007 Aug 1;45(4):449-53. doi: 10.1097/QAI.0b013e318095a3f3.J Acquir Immune Defic Syndr. 2007.PMID: 17554213
Ng OT, Chow AL, Lee VJ, Chen MI, Win MK, Tan HH, Chua A, Leo YS.Ng OT, et al. Among authors: tan hh.PLoS One. 2012;7(9):e45168. doi: 10.1371/journal.pone.0045168. Epub 2012 Sep 17.PLoS One. 2012.PMID: 23028822Free PMC article.
Theng TS, Sen PR, Tan HH, Wong ML, Chan KW.Theng TS, et al. Among authors: tan hh.Int J STD AIDS. 2006 Jun;17(6):395-9. doi: 10.1258/095646206777323364.Int J STD AIDS. 2006.PMID: 16734962
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