Grosheide, P.M.

hepatitis infant vaccine hepatitis b vaccine hbsag immunization mother women infection month screening group hepatitis b vaccination carrier program study antihb hbsag-positive birth hb !g hepatitis b virus hepatitis b infection virus level prevention transmission pregnancy schedule chapter blood efficacy passive-active immunization number result hbv infection netherland 3 months passive-active health hbsag-positive mothers perinatal laboratory delivery antigen hbv dna hepatitis b vaccination coverage hbeag-positive sample hbv dna levels heijtink ra antibody administration globulin table lancet hbeag-positive mothers hospital response hbsag-positive women testing follow-up state rotterdam fetter wpf plasma serum nuijten asm surface country injection perinatal transmission titer hbeag wladimiroff jw zwijnenberg j region beasley gerards lj