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Prior, M. E., Ramsay, C. R., Burr, J. M. , Campbell, S. E., Jenkinson, D., Asoaka, R. & Francis, J.view all authors (2013). Theoretical and empirical dimensions of the Aberdeen Glaucoma Questionnaire: a cross sectional survey and principal component analysis. BMC Ophthalmology, 13, 72. doi: 10.1186/1471-2415-13-72