Document 06BommgjzmbdxwYx0D1GkwGoR

HOSPITAL OF THE UNIVERSITY OF PENNSYLVANIA PHILADELPHIA 4 August 15, 1962 Dr. Robert A. Kehoe University of Cincinnati Department of Preventive Medicine and Industrial Health The Kettering Laboratory Eden Avenue Cincinnati 19, Ohio Dear Dr. Kehoe: Thank you once again, this time for your letter concerning metabolism of tetraethyllead. Sincerely yours J. uurnxs i/onan, ivi. u HE 0015319