The effect of excessive x-ray upon development and calcification of rats' teeth / [by] William F. Leonard, George A. Smith.
- Title
- The effect of excessive x-ray upon development and calcification of rats' teeth / [by] William F. Leonard, George A. Smith.
- Author
- Leonard, William F.
Details
- Additional Authors
- Smith, George A.
- Description
- 29, [1] leaves : photographs; 28 cm.
- Subject
- Thesis (note)
- Thesis (Orthodontics Certificate) -- Columbia University School of Dental and Oral Surgery -- New York, l944.
- Bibliography (note)