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Structure-based Approach Builds Morphine Replacement | Bruker
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Too Good to Be True? A Nonaddictive Opioid without Lethal Side Effects Shows Promise - Scientific American
Morphine may make pain last longer
Opium for the Masses: Harvesting Nature's Best Pain Medication: Hogshire, Jim: 9781932595468: Amazon.com: Books
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Civilization's Painkiller: A Brief History of Opioids
Opium Poppy – Off with Their Heads! | Europeana
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When opium is the only pain relief available to the poor of Badakhshan - Zan Times
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