Document 3J25jm7oLXYKqzk0XQOnGxEBJ

THEODORE L. BRYAN, M.D. 3120 State Street East S't. Louis, Illinois April 7, 1955 The Kettering LaboratoryUniversity of Cincinnati College of Medicine Eden Avenue Cincinnati 19, Ohio Attention Dx. Robert A. Kehoe Dear Dr. Kehoe: I received your reply to my recent inquiry. I found the letter very informative and wish to thank you most sincerely for your effort in preparing such an excellent reply. Sincerely, MLB: gm KE 0019985 Theodore L. Bryan, M.D.