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Ip M, Au C, Cheung SW, Chan CY, Cheng AF.Ip M, et al. Among authors: cheung sw.J Antimicrob Chemother. 1998 Jul;42(1):121-3.J Antimicrob Chemother. 1998.PMID: 9700545No abstract available.
Kwok AK, Hui M, Pang CP, Chan RC, Cheung SW, Yip CM, Lam DS, Cheng AF.Kwok AK, et al. Among authors: cheung sw.Invest Ophthalmol Vis Sci. 2002 Apr;43(4):1182-8.Invest Ophthalmol Vis Sci. 2002.PMID: 11923264