@misc{indiciaed31e91b3bce8,
  title = {Pathogenic micro-organisms. A text-book of microbiology for physicians and students of medicine. (Based upon Williams' Bacteriology) — Illustration, BHL page 37420566},
  year = {1920},
  url = {https://www.biodiversitylibrary.org/page/37420566},
  note = {Source identifier: page-37420566}
}