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The estimation of red cell volume with 51Cr-labelled erythrocytes and plasma volume with radioiodinated human serum albumin
  1. D. Hart,
  2. J. Metz1
  1. Radioisotope Laboratory, South African Institute for Medical Research, Johannesburg, South Africa


    The validity of a simplified procedure for the direct estimation of both red cell and plasma volume, using 51Cr-labelled erythrocytes and radioiodinated human serum albumin, has been examined. It is suggested that the procedure, involving three venepunctures only, will yield accurate measurements of both compartments.

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    • 1 In receipt of a grant from the Atomic Energy Board, Pretoria.