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Am J Dis Child. 1963;106(5):520. doi:10.1001/archpedi.1963.02080050522023.
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To the Editor: Your introduction to the paper by Lt Col Edward J. Tomsovic, MC, USA, "Installation of Crosby-Kugler Intestinal Luminal Biopsy Capsule" (Amer J Dis Child 105:104, 1963) reads "Necessity is here the mother of ingenuity." I would like to question, the necessity of using this technique at all! By using polyvinyl instead of polyethylene tubing attached to the capsule it is possible to pass a Crosby-Kugler capsule in small infants. The smallest infant on whom I have passed a specially designed 7 mm capsule weighed 6 lb (2.7 kg) at four weeks. An adult 9.5 mm capsule has been passed on an 11-month-old child weighing 9 lb (4.1 kg). Dr. Paget Stanfield at Mulago Hospital, Kampala, Uganda, has used a 8 mm capsule on two infants, two months old weighing 4½ lb (2.0 kg) and 6½ lb (2.9 kg), respectively. The technique of passing the capsule on infants


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