SAMUEL W. DONALDSON, M.D. F.A.C.R.
As the science of the practice of medicine has progressed, new discoveries have brought out newer methods of diagnosis and treatment. With the discovery of roentgen-rays by Professor Wilhelm Roentgen in 1895, an entirely new field was opened. The growth of this new field of medical radiology has been unusually rapid and of great importance. Radiology embraces the use of roentgen-rays, radium, and other radioactive substances. Roentgenology is a division of Radiology in that it is limited to the use of the roentgen-rays or x-rays, and medical roentgenology may be termed as the use of roentgen-rays for the diagnosis
DONALDSON SW. MEDICAL FACTS THAT CAN OR CANNOT BE PROVED BY ROENTGEN-RAY; HISTORICAL REVIEW AND PRESENT POSSIBILITIES1. Ann Intern Med. ;18:535–550. doi: 10.7326/0003-4819-18-4-535
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Published: Ann Intern Med. 1943;18(4):535-550.
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