Robert H., Ph.D. Friis
Identifiers
- Open LibraryOL2844357A
Top Subjects
- Public health personnel (2)
- General (2)
- Epidemiology (2)
- Public Health (1)
- Medical (1)
- Medical / Nursing (1)
- Encyclopaedias & Reference Works (1)
Books by Robert H., Ph.D. Friis
Total count: 2