character: Dr. Emily Johnson
topic: Toxic Metal Removal and EDTA
grade: 11
subject: Chemistry
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character: Dr. Robert Smith
topic: Heavy Metals in the Environment
grade: 11
subject: Chemistry
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character: Dr. Lisa Green
topic: Chelation Therapy and Its Applications
grade: 11
subject: Chemistry
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character: Dr. Mark Anderson
topic: Chemical Methods for Metal Detoxification
grade: 11
subject: Chemistry
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