we studied by radioimmunoassay and by electron microscopy hbsag-associated phsa-r secreted in vitro by a human hepatocellular carcinoma cell line ( plc/prf/5 ) and by mouse 3t3 fibroblasts after transfection with cloned hepatitis b virus ( hbv ) dna ( 4.10 cells ) .
C1327616
secreted
C0007634
cells