No abstract available
MeSH terms
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Adolescent
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Eye Abnormalities / diagnosis
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Eye Abnormalities / etiology*
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Fluorescein Angiography
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Humans
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Male
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Retinal Diseases / diagnosis
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Retinal Diseases / etiology*
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Retinal Vein / abnormalities*
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Retinal Vein / pathology
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Valsalva Maneuver*
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Visual Acuity