TY  - GEN
AU  - MOCK,A
TI  - [Frequent incidence of epidemic hepatitis]
SN  - 0043-5341
PY  - 2003///0501
KW  - Hepatitis
KW  - Hepatitis A
KW  - epidemiology
KW  - Humans
KW  - Incidence
KW  - Viral Vaccines
N1  - Publication Type: Journal Article
ER  -