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http://www.reachingcriticalwill.org/resources/fact-sheets/critical-issues/4579-biological-weapons
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http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.517.9477&rep=rep1&type=pdf
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https://www.cdc.gov/healthcommunication/toolstemplates/entertainmented/tips/Bioterrorism.html
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https://www.unog.ch/80256EE600585943/(httpPages)/29B727532FECBE96C12571860035A6DB?OpenDocument
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http://www.loc.gov/rr/scitech/tracer-bullets/chemicalbiotb.html
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http://www.reachingcriticalwill.org/resources/fact-sheets/critical-issues/4579-biological-weapons
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http://carnegieendowment.org/2001/01/18/introduction-to-chemical-and-biological-weapons-pub-630
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https://www.wikihow.com/Survive-a-Chemical-or-Biological-Attack
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http://www.secretsofsurvival.com/survival/bio-chemical-weapons-attack-on-homeland.html
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http://urbansurvivalnetwork.com/survival-guide-survive-biological-threat/