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From the Laboratory of Clinical Investigation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20014. 1 Assistant Physician and Instructor in Medicine, Department of Medicine. Presbyterian Hospital, New York, New York 10032 (formerly: Clinical Associate, Laboratory of Clinical Investigation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20014). 2 Clinical Director, National Institute of Allergy and Infectious Diseases and Chief, Laboratory of Clinical Investigation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland 20014.
Blume et al. (Sat,) studied this question.