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Samuel Silber, M.D.; Carl Kaplan, M.D.; Bernard S. Epstein, M.D.
JAMA. 1945;128(2):152. doi:10.1001/jama.1945.02860190088023.
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To the Editor:—  In the January 13 issue of The Journal, under Clinical Notes, Dr. Murdock Equen reports "A New Magnet for Foreign Bodies in the Food and Air Passages." The widespread newspaper, trade journal and magazine coverage of the original use by us of the Alnico magnet for this purpose in June 1943 was perhaps considered too well known to require quoting as the source of the method employed by Dr. Equen.However, there are medical references of which Dr. Equen was apparently unaware when he requested a duplicate of the magnet we employed from General Electric. Our case was reported at a meeting of the Section on Otology, Rhinology and Laryngology of the Medical Society of the County of Kings and Academy of Medicine of Brooklyn, Nov. 10, 1943. Dr. Moorehead and Dr. Clerf, who discussed our paper, predicted the future usefulness and easy general applicability of the


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The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
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