character: Dr. Sarah Mitchell
topic: Role of Vitamin D in Calcium Metabolism
grade: 11
subject: Biology
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character: Dr. Emily Foster
topic: Effects of Calcium on Bone Health
grade: 11
subject: Biology
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character: Dr. John Lee
topic: Vitamin D Deficiency and Its Impact on Musculoskeletal Health
grade: 11
subject: Biology
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character: Ms. Laura Jenkins
topic: Nutrition and Bone Density
grade: 11
subject: Biology
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