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Subjects
- Tobacco Smoking -- adverse effects[remove]5
- Alcohol Drinking -- adverse effects1
- Alcohol Drinking -- prevention & control1
- Alcoholism -- complications1
- Amblyopia -- etiology1
- Complementary Therapies1
- Illicit Drugs -- adverse effects1
- Leukoplakia1
- Optic Nerve Diseases -- etiology1
- Smoking Prevention1
- Syphilis -- complications1
- Tobacco Smoking -- prevention & control1