Document ypedqgGRZK53qe71r5OqdwvRE

HOSPITAL O F TH E UNIVERSITY O F 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, FCD:m F. Curtis Dohan, M. D KF 0015319