GOVERMENT
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FDA (Food & Drug Administration)
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SSA (Secretaria de Salud)
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CDC (Centers for Disease Control and Prevention)
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NIH (National Institutes of Health)
ORGANIZATIONS AND SOCIETIES
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WHO (World Health Organization)
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ICH (International Conference on Harmonisation)
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AMA (American Medical Association)
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DIA (Drug Information Association)
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CenterWatch
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RIS (Research Investigator's Source)