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Yam CH, Wong EL, Chan FW, Leung MC, Wong FY, Cheung AW, Yeoh EK.Yam CH, et al. Among authors: yeoh ek.BMC Health Serv Res. 2010 Nov 17;10:311. doi: 10.1186/1472-6963-10-311.BMC Health Serv Res. 2010.PMID: 21080970Free PMC article.
Chan FW, Wong FY, Fung H, Yeoh EK.Chan FW, et al. Among authors: yeoh ek.Hong Kong Med J. 2011 Jun;17(3):208-16.Hong Kong Med J. 2011.PMID: 21636869Free article.
Wong EL, Cheung AW, Leung MC, Yam CH, Chan FW, Wong FY, Yeoh EK.Wong EL, et al. Among authors: yeoh ek.BMC Health Serv Res. 2011 Jun 17;11:149. doi: 10.1186/1472-6963-11-149.BMC Health Serv Res. 2011.PMID: 21679471Free PMC article.