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Open Access Study protocol

inVestIgating the pSychologIcal and ecONomic impAct of cataRact surgerY in Vietnam: The VISIONARY observational study protocol

Beverley M Essue*, Maree L Hackett, Andreas Mueller, Nguyen Thi Hanh Duc, Huynh Tan Phuc and Stephen Jan

BMC Ophthalmology 2011, 11:25  doi:10.1186/1471-2415-11-25

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