[Comparative analysis of the HBsAg level in human blood preparations]. / Sravnitel'nyi analiz soderzhaniia HBsAg v preparatakh krovi cheloveka.

A total of 218 batches of blood preparations produced from different raw materials have been studied by means of enzyme immunoassay kits (Abbott Laboratories, USA). The assays have revealed that the preparations under study are nonstandard with respect to the content and isolation rate of HBsAg, the marker of hepatitis B virus. These data necessitate search for the ways of improving the quality of blood preparations.