Gilbert, C. E., Shah, S. P., Jadoon, M. Z., Bourne, R., Dineen, B., Khan, M. A., . . . Khan, M. D. (2008). Poverty and blindness in Pakistan: Results from the Pakistan national blindness and visual impairment survey. BMJ Publishing Group Ltd.

Gilbert, Clare E., S P. Shah, M Z. Jadoon, R. Bourne, B. Dineen, M A. Khan, G J. Johnson, and M D. Khan. Poverty and Blindness in Pakistan: Results From the Pakistan National Blindness and Visual Impairment Survey. BMJ Publishing Group Ltd, 2008.

Gilbert, Clare E., et al. Poverty and Blindness in Pakistan: Results From the Pakistan National Blindness and Visual Impairment Survey. BMJ Publishing Group Ltd, 2008.