Relation of infectivity and hemagglutinationtiters with various preparations of free infectiousPVM. that in no instance was there a definitely significant deviation between hem- agglutination titers obtained with unheated and heated aliquots.
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Relation of infectivity and hemagglutinationtiters with various preparations of free infectiousPVM. that in no instance was there a definitely significant deviation between hem- agglutination titers obtained with unheated and heated aliquots.