Subjects
- Maternal-Fetal Exchange12
- Mental Disorders12
- Physical Fitness12
- Recreation12
- Schools12
- Sexually Transmitted Diseases -- transmission12
- Socioeconomic Factors12
- Sweden12
- Television12
- Tissue and Organ Procurement12
- Transients and Migrants12
- Truman, Harry S., 1884-1972.12
- USSR12
- Water Supply12
- Academies and Institutes11
- African Continental Ancestry Group11
- Alcoholic Beverages11
- Bisexuality11
- Confidentiality11
- Courtship11