small quantities of morphine were detected in his blood
11Battle of Hat Dich — Part of the Vietnam War …
12Influenza pandemic — Note: For information about the content, tone and sourcing of this article, please see the tags at the bottom of this page. An influenza pandemic is an epidemic of an influenza virus that spreads on a worldwide scale and infects a large… …
13Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P …
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