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Arctic medicine. Tropical medicine
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Cataract extraction
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Extracción de catarata
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Medicine
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Peru
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Perú
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Public aspects of medicine
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R
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RA1-1270
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RC955-962
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agudeza visual
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blindness
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cataract
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catarata
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ceguera
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eye health services
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servicios de salud ocular
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visual acuity
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