Medicine: Light in a Kidney

A few investigators are trying to cure tuberculosis by introducing ultraviolet light to infected body cavities. The artificial sunlight might kill the germs and heal the tissues if it could shine on them. A problem has been how to build a light producer small enough and cool enough to get into the cavities. Last year Drs. John Roberts Caulk & Frank Henry Ewerhardt of Washington University, St. Louis, successfully entered a tuberculous bladder, alleviated it with irradiation. They used a cold quartz generator of ultraviolet light.

Last week Dr. Samuel Lubash of Manhattan announced*...

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