The Röntgen rays in medical work / by David Walsh ; Part I.-The electrical apparatus by H. Lewis Jones ; part II.- Medical and surgical by the author.
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The Röntgen rays in medical work / by David Walsh ; Part I.-The electrical apparatus by H. Lewis Jones ; part II.- Medical and surgical by the author. Credit: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.. Public Domain Mark