@misc{indiciaeb9cb1c768b4d,
  title = {Experience with registered mucosal vaccines.},
  author = {Guido Dietrich and Monika Griot-Wenk and Ian C Metcalfe and Alois B Lang and Jean-François Viret},
  year = {2003},
  doi = {10.1016/s0264-410x(02)00579-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/12531339/},
  note = {Source identifier: 12531339}
}