Document RjdOM41YExm68ZRwqn6ROYVxa

. TA U SSIG , M. D. ,O .Y N SA LE, M . D . 4500 Ol i v e St r e e t ST, L O U IS. MO. OFFICE HOURS BY APPOINTMENT FOREST 2757 April 2, 1S41. Dr. Robert A. Kehoe, Kettering Laboratory of Applied Physiology, University of Cincinnati, Cincinnati, Ohio. Dear Doctor Kehoe Many thanks for your prompt response to my letter concerning the collection of specimens for lead determination. After reading your letter, I think that we should have determina tions on the blood and urine. If you '111 send ne the containers I will obtain the specimens according to the directions sent me and get them in the mail promptly to you. I am, Thanking you for your cooperation, l .s ./k . He 0018476 N19669