@misc{indiciaeb54db4b58fff,
  title = {A recovery-relapse epidemic model with spatial diffusion.},
  author = {G F Webb},
  year = {1982},
  doi = {10.1007/bf01832843},
  url = {https://pubmed.ncbi.nlm.nih.gov/7119581/},
  note = {Source identifier: 7119581}
}