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I am enclosing thermofax of a letter from Glenn 3. Ullyot, Smith Kline & Prench Laboratories, indicating that the material

in which you vas interested is familiar to us.

Very sincerely yours MerreSbeee
Harris Isbell, M.D.
Director

HI:1w

Enclcsure

B-352

19s

DEPARTMENT OF HEALTH, EDUCATION, AND WELFARE

Satioanl Inatitute of Meatsi Kealtà Addietion Research Ccater ,. Pablle Hezith Service Haspiza Lexlagtoo, Rentucly

PUBLIC HEALTH SERVICE

8 May 1961