Upgrading registered x-ray technician training.
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Humans↗
Biomedical subjects
C H WARFIELD
Publications and source records attributed to C H WARFIELD.
The examination of the American Registry of X-Ray Technicians: some helpful information for examinees.
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Humans↗
Roentgen evaluation of the chest.
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Humans↗
Edmund Van Buskirk. (1875-1950).
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History, 19th Century↗