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Arctic medicine. Tropical medicine
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Defectos del tubo neural
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Medicine
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Neural tube defects
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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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alimentos fortificados
2
folic acid
2
food
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ácido fólico
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"corking"
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$16,101,270
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77,026 people
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Alaska
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Alaska coast
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British Columbia
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California
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Canada
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Costa Rica
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English capitalists
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Governor Charles H. Martin
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Greenland
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Iceland
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Japan
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Japanese diet
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