A Decade of Progress in the Rh Blood-Group System

Abstract
Significance of f At present it is difficult to assess the practical importance of the antigen, but of its academic importance there can be no doubt. Perhaps the practical status of the new antigen and its corresponding antibody can best be appreciated by the realization that many examples of currently used anti-c and anti-e typing serums probably also contain anti-f, which heretofore had been undetected. The ease with which the anti-f can be isolated from these serums, together with the fact that its existence has escaped notice for several years, constitutes a strong argument in favor of the supposition that . . .
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