@misc{indiciaeda1bea21aad3,
  title = {Second generation meningococcal OMP-LPS vaccines.},
  author = {J T Poolman and P A van der Ley and E J Wiertz and P Hoogerhout},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1725922/},
  note = {Source identifier: 1725922}
}