Author's Instructions
Causes, symptoms and prevention of canker sores, halitosis and gingivitis.
Diseases that affect the mouth
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Author's Instructions
Causes, symptoms and prevention of canker sores, halitosis and gingivitis.
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ELEMENT CLASSIFICATION
- Science
- 6th grade
Bảng 28.1 SGK - 118
- Science
- 6th grade
6 класс БОТАНИКА
- Science
- 6th grade
