@misc{indiciae2ec8f6f9cdcb,
  title = {How big is the periplasmic space?},
  author = {J E Van Wielink and J A Duine},
  year = {1990},
  doi = {10.1016/0968-0004(90)90208-s},
  url = {https://pubmed.ncbi.nlm.nih.gov/2339468/},
  note = {Source identifier: 2339468}
}