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Chan FK, Sung JJ, Chung SC, To KF, Yung MY, Leung VK, Lee YT, Chan CS, Li EK, Woo J.Chan FK, et al. Among authors: li ek.Lancet. 1997 Oct 4;350(9083):975-9. doi: 10.1016/s0140-6736(97)04523-6.Lancet. 1997.PMID: 9329511Clinical Trial.
Woo J, Li EK.Woo J, et al. Among authors: li ek.Infection. 1987 Mar-Apr;15(2):129-30. doi: 10.1007/BF01650216.Infection. 1987.PMID: 3596809No abstract available.
Szeto CC, Kwan BC, Lai FM, Tam LS, Li EK, Chow KM, Gang W, Li PK.Szeto CC, et al. Among authors: li ek, li pk.Rheumatology (Oxford). 2008 Nov;47(11):1678-81. doi: 10.1093/rheumatology/ken335. Epub 2008 Aug 27.Rheumatology (Oxford). 2008.PMID: 18753192
Tam LS, Li EK, Leung CB, Wong KC, Lai FM, Wang A, Szeto CC, Lui SF.Tam LS, et al. Among authors: li ek.QJM. 1998 Aug;91(8):573-80. doi: 10.1093/qjmed/91.8.573.QJM. 1998.PMID: 9893761Clinical Trial.
Wong SM, Hui AC, Tang A, Ho PC, Hung LK, Wong KS, Kay R, Li E.Wong SM, et al.Neurology. 2001 Jun 12;56(11):1565-7. doi: 10.1212/wnl.56.11.1565.Neurology. 2001.PMID: 11402116Clinical Trial.
Li EK, Tam LS, Young RP, Ko GT, Li M, Lau EM.Li EK, et al. Among authors: li m.Br J Rheumatol. 1998 Apr;37(4):405-10. doi: 10.1093/rheumatology/37.4.405.Br J Rheumatol. 1998.PMID: 9619891
Wong CK, Li EK, Ho CY, Lam CW.Wong CK, et al. Among authors: li ek.Rheumatology (Oxford). 2000 Oct;39(10):1078-81. doi: 10.1093/rheumatology/39.10.1078.Rheumatology (Oxford). 2000.PMID: 11035126
Ho CY, Wong CK, Li EK, Tam LS, Lam CW.Ho CY, et al. Among authors: li ek.Clin Exp Immunol. 2003 Jul;133(1):132-8. doi: 10.1046/j.1365-2249.2003.02192.x.Clin Exp Immunol. 2003.PMID: 12823287Free PMC article.