X-ray, violet ray, and other rays
by Maynard Shipley, Haldeman-Julius, E. (Emanuel), 1888-1951 [Editor]
📖 Public Domain — Free to Read
| Editions | 1 |
| Publisher | Project Gutenberg |
Subjects
X-raysX-rays -- Therapeutic useUltraviolet radiationUltraviolet radiation -- Therapeutic use
