Potential lost productivity resulting from the global burden of uncorrected refractive error

Bulletin of the World Health Organization - Tập 87 Số 6 - Trang 431-437 - 2009
T Smith1, Kevin D. Frick2, B A Holden3, Tim Fricke3, KS Naidoo4
1Bloomberg School of Public Health, Johns Hopkins University, Baltimore MD, United States of America
2Johns Hopkins University, Baltimore, United States of America
3International Centre for Eyecare Education, Australia
4University of KwaZulu Natal, Durban, South Africa

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