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- Smithy, Horace Gilbert, 1914-1948[remove]24
- Medicine--Research23
- X-Rays.11
- Thoracic Cavity9
- X-rays.6
- Chest--Imaging.5
- Chest--Imaging4
- Kredel, Frederick E. (Frederick Evert), 1903-19614
- Medicine--Research.1
- X-ray.1