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  1. How the U.S. conducted biowarfare against north Korea

  2. The New Killer Pathogens: Countering the Coming Bioweapons …

  3. United States biological weapons program - Wikipedia

  4. The Role of Biological Warfare in the Cold War Era

  5. The Current Bioweapons Threat - PMC - National Center for …

  6. A century of biological-weapons programs (1915–2015): …

  7. We Need to Talk About Bioweapons | Science - AAAS

  8. The United States and biological warfare: Secrets from the early cold

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