Document oY0O7Na5NKqDJp322oe77vkr
July 18, 1953
Dr. R. W. Sehiessler, Director API Research Project 1)2 The Pennsylvania State College .
School of Chemistry and.Physics State College,Pennsylvania
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Dear Doctor Schiessler:
The samples referred to in your phone call and letter of July 13 have been received in good order. They will be tested for acceleration of carcinogenesis. We appreciate the value of these samples and will carefully evaluate the results before considering further selection
of samples. .
Thank you very much for your generous cooperation with our program.
Sincerely yours.
RCPtmjg
Ruth C. Plerle, Ph.D. Senior Research Associate
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SC-API-2450