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APA Citation
Sy, A., O'Brien, K., Liu, M., Cuddapah, P., Acharya, N., Lietman, T., & Rose-Nussbaumer, J. (2015). expert opinion in the management of aqueous Deficient Dry Eye Disease (DED). BMC ophthalmology, 15(1), 1–6. http://access.bl.uk/ark:/81055/vdc_100080275620.0x00011d