Subjects
- New England1
- New York1
- New York. State Prison.1
- Ohio1
- Pain Management1
- Philadelphia1
- Physical Education and Training -- statistics & numerical data1
- Poland1
- Practice Guidelines as Topic1
- Prisoners1
- Prisons1
- Russia1
- Schools, Medical1
- Smallpox1
- Smallpox -- epidemiology1
- Smallpox -- prevention & control1
- United Kingdom1
- United States. Army. Veteran Reserve Corps.1
- Universities1
- Urinary Bladder Diseases -- epidemiology1