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- इसका हिस्सा Safety Light Collection, Records Related to Radium Dial Painters
Extracted text
OCR Page 1 of 2February 10,1931.
Dr. Henry C. Johnston,
79 John St.,
New York City.
Dear Dr. Johnston:
Thanks for your letter of February 9th,
enclosing receipted bills, as well as clipping relative to
*Parathyroid in Radium Poisoning".
We are quite familiar with the work which
Dr. Flinn has been doing in this direction.
Sincerely yours,
Vice President.
HHBarker: RH
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