@misc{indiciaedb812e4c6087,
  title = {Bacterial conjugation: electron microscope observations on thin sections.},
  author = {W H Schreil and R J Christensen},
  year = {1968},
  doi = {10.1073/pnas.59.4.1152},
  url = {https://pubmed.ncbi.nlm.nih.gov/4172325/},
  note = {Source identifier: 4172325}
}