Reduction of radiation output of the standard dental x-ray machine utilizing copper for external filtration
Yale, Seymour H., Goodman, Leonard S.Volume:
54
Language:
english
Journal:
The Journal of the American Dental Association
DOI:
10.14219/jada.archive.1957.0055
Date:
March, 1957
File:
PDF, 273 KB
english, 1957