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Boston University Medical Center School of Medicine 60 East Concord Street Boston, Massachusetts 02118 Department of Neurology 1617) 247-5136 December 21, 1982 Ms. I. Mary Isenhour University of Cincinnati Kettering Laboratory Mail Location #56 3223 Eden Avenue Cincinnati, OH 45267 Dear Ms. Isenhour: Thank you for your prompt response in sending us the names of the participants in Dr. Kehoe's study. I am sending you a copy of the letter and questionnaire that is being sent to all study participants. Lastly, I am curious to know if tables exist which summarize urine and blood lead levels for each of these subjects. I wish you and Dr. Kehoe the very best for the holiday season. Sincerely yours. Patricia H. Travers, R.N., M.S Occupational Health Specialist cc Robert G. Feldman, M.D PHT/jm