@misc{indiciaed90a18fd770a,
  title = {Polyvalent pneumococcal polysaccharide vaccines.},
  author = {M R Hilleman and A A McLean and P P Vella and R E Weibel and A F Woodhour},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/28857/},
  note = {Source identifier: 28857}
}