| Physical Description |
219 sivua |
|---|---|
| Language |
English |
| Language of Original Work |
English |
| Publisher |
Bethesda :
U.S. Department of Health, Education, and Welfare, Bureau of Health Resources Development, Division of Dentistry,
[197?]
|
| Additional Information | Produced by Section on Instructional System Design, School of Dentistry, University of California ; Periodontist: Perry A. Ratcliff ... [ja muita] ; Project director Robert W. Parr |
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