| 11. | At age 1, Brit was diagnosed with sickle cell anemia.
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| 12. | A cure for sickle cell disease has eluded scientists for decades.
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| 13. | Where malaria is rare, sickle-cell frequency is less.
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| 14. | Frightened Muslims with sickles and swords guarded their homes and mosques.
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| 15. | He tirelessly campaigned to raise funds to cure sickle cell anemia.
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| 16. | About 1.2 million Americans carry one sickle cell gene.
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| 17. | Watkins was hospitalized several times, suffering from sickle cell anemia.
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| 18. | One woman carried a sickle dripping with blood in her hand.
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| 19. | A hammer, sickle and red star appears over the sun.
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| 20. | Sickles'division was in reserve at the Battle of Fredericksburg.
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