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Subjects
- Heart Diseases -- diagnosis2
- Lung Diseases -- diagnosis2
- Alcoholism -- prevention & control1
- California1
- Diagnostic Techniques and Procedures1
- Health Education1
- Heart Murmurs1
- Heart Sounds1
- Mitral Valve Insufficiency -- diagnosis1
- Physical Examination1
- Social Environment1
- Southeastern United States1
- Southwestern United States1
- Travel1
- Typhoid Fever -- prevention & control1
- Typhoid Fever -- therapy1