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Variation in pulmonary retention of 131I-macroaggregated albumin
  1. Richard P. Spencer
  1. Section of Nuclear Medicine, Yale University School of Medicine, and the Yale University Lung Research Center, New Haven, Connecticut, 06510, U.S.A.


    Counting over the right lung after the intravenous injection of 131I-macroaggregated albumin revealed a wide spread in retention half-times of the radiolabel (7 hours to 31 hours) even among patients having identical preparations. This needs further exploration as to its mechanism and its effect on the calculated radiation exposure of the lungs.

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