TY  - RPRT
TI  - Simultaneous vaccination for hepatitis A and B.
AU  - B Flehmig
AU  - U Heinricy
AU  - M Pfisterer
PY  - 1990
DO  - 10.1093/infdis/161.5.865
UR  - https://pubmed.ncbi.nlm.nih.gov/2157770/
ID  - 2157770
ER  -