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APA Citation
Salowi, M. A., Choong, Y., Goh, P., Ismail, M., & Lim, T. (2010). cUSUM: a dynamic tool for monitoring competency in cataract surgery performance. British journal of ophthalmology, 94(4), 445–449. http://access.bl.uk/ark:/81055/vdc_100135159379.0x000044