REFERENCES
- Spasoff R A. Epidemiological Methods for Health Policy. Oxford University Press, New York 1999
- Hennis A, Wu S Y, Nemesure B, Leske M C, Barbados Eye Studies Group. Risk factors for incident cortical and posterior subcapsular lens opacities in the Barbados Eye Studies. Arch Ophthalmol 2004; 122(4)525–30
- West S K, Muñoz B, Lynch M, Kayongoya A, Mmbaga B B, Taylor H R. Risk factors for constant, severe trachoma among preschool children in Kongwa, Tanzania. Am J Epidemiol 1996; 143(1)73–8
- Emerson P M, Cairncross S, Bailey R L, Mabey D C. Review of the evidence base for the ‘F’ and ‘E’ components of the SAFE strategy for trachoma control. Trop Med Int Health 2000; 5(8)515–27
- Centers for Disease Control and Prevention (CDC). Visual impairment and use of eye-care services and protective eyewear among children—United States, 2002. MMWR 2005; 54(17)425–9
- Frick K D, Lynch M, West S, Munoz B, Mkocha H A. Household willingness to pay for azithromycin treatment for trachoma control in the United Republic of Tanzania. Bull WHO. 2003; 81(2)101–7
- Bhargava J S, Patel B, Foss A J, Avery A J, King A J. Views of glaucoma patients on aspects of their treatment: An assessment of patient preference by conjoint analysis. Invest Ophthalmol Vis Sci 2006; 47(7)2885–8