@misc{indiciaee06e48f0e2e7,
  title = {Letter: Assistants' problem.},
  author = {J Gripper},
  year = {1975},
  doi = {10.1136/vr.96.6.138-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/1119067/},
  note = {Source identifier: 1119067}
}