title: Sedimentation constant of hepatitis-associated antigen. Brief report.
mesh_terms: D002499:Centrifugation, Density Gradient; D002501:Centrifugation, Zonal; D002586:Cesium; D002712:Chlorides; D003168:Complement Fixation Tests; D003956:Dialysis; D006511:Hepatitis B Antigens / Q000302:isolation & purification; D006515:Hepatitis B virus; D006801:Humans; D007106:Immune Sera; D005779:Immunodiffusion; D013395:Sucrose
chemical_list: D002712:Chlorides; D006511:Hepatitis B Antigens; D007106:Immune Sera; D002586:Cesium; D013395:Sucrose