TY - RPRT TI - [Immunisation: leaps into the future. Viral hepatitis]. AU - J M Bayas AU - A Vilella PY - 2002 DO - 10.1016/s0212-6567(02)79090-2 UR - https://pubmed.ncbi.nlm.nih.gov/12427376/ ID - 12427376 ER -