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Bulletin of the World Health Organization

Print version ISSN 0042-9686


SHAH, Shaheen P  and  INTERNATIONAL EYE RESEARCH NETWORK et al. Preoperative visual acuity among cataract surgery patients and countries' state of development: a global study. Bull World Health Organ [online]. 2011, vol.89, n.10, pp.749-756. ISSN 0042-9686.

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