@misc{indiciae9067e6456b60,
  title = {Immunization issues for the 21st century.},
  author = {Lawrence Dean Frenkel and Kimberly Nielsen},
  year = {2003},
  doi = {10.1016/s1081-1206(10)61660-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/12839113/},
  note = {Source identifier: 12839113}
}