TY  - GEN
AU  - Prymula,Roman
TI  - Hepatitis A - Do we still need new vaccines?
SN  - 0019-6061
PY  - 2009///0430
KW  - Hepatitis A
KW  - prevention & control
KW  - Hepatitis A Vaccines
KW  - Humans
N1  - Publication Type: Comment; Editorial
ER  -