TY - JOUR T1 - An automated passive haemagglutination technique suitable for the detection of hepatitis B virus antigen and antibody in blood donors JF - Journal of Clinical Pathology JO - J Clin Pathol SP - 343 LP - 350 DO - 10.1136/jcp.26.5.343 VL - 26 IS - 5 AU - Margaret Nelson AU - Elizabeth J. Phipps AU - Pamela G. Watson AU - Jacqueline R. Watts AU - Roman Zwolenski Y1 - 1973/05/01 UR - http://jcp.bmj.com/content/26/5/343.abstract N2 - A method is described for preparing purified hepatitis B antigen (HB Ag) viral antigen without density gradient centrifugation. A method for sensitizing human group O red cells with this preparation is given, together with the technical details of an automated passive haemagglutination technique suitable for the mass screening of blood donors for HB virus and anti-HB antibody. ER -