Gazzard, G., Foster, P. J., Devereux, J. G., Oen, F., Chew, P., Khaw, P. T., & Seah, S. (2003). Intraocular pressure and visual field loss in primary angle closure and primary open angle glaucomas. Copyright 2003 British Journal of Ophthalmology.

Gazzard, G., P J. Foster, J G. Devereux, F. Oen, P. Chew, P T. Khaw, và S. Seah. Intraocular Pressure and Visual Field Loss in Primary Angle Closure and Primary Open Angle Glaucomas. Copyright 2003 British Journal of Ophthalmology, 2003.

Gazzard, G., et al. Intraocular Pressure and Visual Field Loss in Primary Angle Closure and Primary Open Angle Glaucomas. Copyright 2003 British Journal of Ophthalmology, 2003.