ONLINE FORMAT
| Audio | 1 |
| 1 | |
| Text | 1 |
SUBJECT
| University of North Carolina at Chapel Hill. School of Medicine | |
| University of North Carolina at Chapel Hill. School of Medicine | |
| University of North Carolina at Chapel Hill. School of Medicine | |
| East Carolina University. School of Medicine | 1 |
| Iron lung | 1 |
| Medical instruments and apparatus | 1 |
| Rheumatic fever | 1 |
