@misc{indiciaece27128e2954,
  title = {Diphtheria in Calcutta.},
  author = {A DAS and S C GHOSAL},
  year = {1951},
  doi = {10.1016/s0140-6736(51)92858-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/14842097/},
  note = {Source identifier: 14842097}
}