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APA Citation
Ho, J., Ho, A. F. W., Ting, P. Z. Y., Fook-Chong, S. F., Ahmad, N. S., Pek, P. P., Liu, N., Teoh, S., Sia, C. H., Lim, D. Y. Z., Lim, S. L., Wong, T. H., & Ong, M. E. H. (n.d.). the effect of building-level socioeconomic status on bystander cardiopulmonary resuscitation: a retrospective cohort study. European heart journal, 43, . http://access.bl.uk/ark:/81055/vdc_100168330255.0x00004b