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Arctic medicine. Tropical medicine
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Estados Unidos
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Fracturas de la columna vertebral
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Medicine
Mexico
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Public aspects of medicine
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RA1-1270
RC955-962
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Spinal fractures
United States
accidental falls
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accidentes por caídas
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border health
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brain injuries
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emigration and immigration
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migración internacional
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salud fronteriza
traumatismos encefálicos
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