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Detection of HBsAg in coagulation Factor IX concentrates
Transfusion
|January 1, 1977
Abstract:
HBsAg was detected in two commercial clotting factor concentrates: Proplex (Hyland) and Konyne (Cutter). HBsAg was positive by RIA in samples of Proplex but not Konyne. Immune-electron microscopy, however, demonstrated clumped small spheres of HBsAg in both preparations, and lamellar-type strands were seen in several preparations.