@misc{indiciaeb991c6a544b2,
  title = {Possible protective immunity in human opisthorchiasis.},
  author = {P S Akai and S Pungpak and V Kitikoon and D Bunnag and A D Befus},
  year = {1994},
  doi = {10.1111/j.1365-3024.1994.tb00350.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7526321/},
  note = {Source identifier: 7526321}
}