TY  - RPRT
TI  - Hepatitis A vaccine.
AU  - C R Boughton
PY  - 1991
DO  - 10.5694/j.1326-5377.1991.tb93883.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1658582/
ID  - 1658582
ER  -