character: Dr. Emily Carter
topic: The Role of Vitamin D in Bone Health
grade: 11
subject: Science
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character: Professor John Smith
topic: Essential Nutrients for Strong Bones
grade: 11
subject: Science
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character: Nutritional Expert Lisa Wong
topic: Impact of Vitamin D Deficiency on Bone Strength
grade: 11
subject: Science
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character: Researcher Mark Johnson
topic: Comparative Analysis of Vitamin D and Calcium in Bone Density
grade: 11
subject: Science
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