@misc{indiciae49f335379213,
  title = {Simultaneous vaccination for hepatitis A and B.},
  author = {B Flehmig and U Heinricy and M Pfisterer},
  year = {1990},
  doi = {10.1093/infdis/161.5.865},
  url = {https://pubmed.ncbi.nlm.nih.gov/2157770/},
  note = {Source identifier: 2157770}
}