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From the Department of Bacteriology, The School of Medicine, University of Pennsylvania, Philadelphia
Abstract
The studies described lead to the conclusion that the M-protein is definitely antigenic even though subjected to drastic methods of isolation and purification. The isolated M-protein is not nearly as antigenic, however, as intact streptococci which are believed to contain a fiftieth or less of their weight as M-protein.
Footnotes
1 This study has been supported in part by a grant from The Commonwealth Fund.
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