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Ang BT, Chan SP, Lee KK, Ng I.Ang BT, et al. Among authors: chan sp.Acta Neurochir Suppl. 2008;102:299-303. doi: 10.1007/978-3-211-85578-2_56.Acta Neurochir Suppl. 2008.PMID: 19388333
Liu YE, Hu S, Chan SP, Sathappan SS.Liu YE, et al. Among authors: chan sp.Singapore Med J. 2009 Jan;50(1):15-9.Singapore Med J. 2009.PMID: 19224079Free article.
Chua K, Kong KH, Chan SP.Chua K, et al. Among authors: chan sp.Arch Phys Med Rehabil. 2008 Dec;89(12):2316-23. doi: 10.1016/j.apmr.2008.05.025.Arch Phys Med Rehabil. 2008.PMID: 19061744