Titers were determined by twofold dilutions of the serum. Table 1 summarizes the data on the 32 patients studied. Antinuclear antibodies were found in all serums from the patients in Groups 1 and ...

Those with nonprotective titers (<10 mIU/mL ... We examined the long term persistence of antibody to hepatitis B surface antigen (anti-HBs) in children ages 4-13 years whose mothers were HBsAg ...