Bio Focus Co., Ltd.
[Manufacturer, Exporter, Importer, Distributor, Wholesaler/Retailer]
Hepatitis B is a systemic disease primarily involving the liver. The complex antigen found on the surface of HBV is called HBsAg. The presence of HBsAg in serum or plasma is an indication of an active Hepatitis B infection, either acute or chronic. Hundre