TY - GEN AU - García Llop,L AU - Asensi Alcoverro,A AU - Coll Más,P AU - Ramada Benedito,M A AU - Grafiá Juan,C TI - [Anti-HBs titers after a vaccination program in children and adolescents. Should a booster dose be given?] SN - 0302-4342 PY - 2001///0524 KW - Adolescent KW - Child KW - Child, Preschool KW - Hepatitis B Antibodies KW - blood KW - Hepatitis B Vaccines KW - immunology KW - Humans KW - Immunization Programs KW - Immunization, Secondary KW - Infant KW - Infant, Newborn N1 - Publication Type: English Abstract; Journal Article ER -