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Subjects
- China1
- Disease1
- District of Columbia1
- Early Intervention, Educational1
- Education of Persons with Hearing Disabilities1
- England1
- Family Nursing1
- Health Behavior1
- Health Education1
- Illicit Drugs1
- Income -- statistics & numerical data1
- Interpersonal Relations1
- Learning1
- Legal Guardians1
- Marijuana Smoking -- adverse effects1
- Massachusetts1
- Masturbation -- complications1
- Maternal-Fetal Relations1
- Morals1
- Mothers1