No abstract available
MeSH terms
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Adolescent
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Child
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Deafness / complications*
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Deafness / diagnosis
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Electroretinography
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Eye Diseases / complications
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Eye Diseases / diagnosis*
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Female
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Germany, West
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Humans
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Male
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Refractive Errors / diagnosis
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Refractive Errors / epidemiology
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Retinal Degeneration / diagnosis
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Sampling Studies
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School Health Services
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Strabismus / diagnosis
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Strabismus / epidemiology