@misc{indiciae9b98320ee104,
  title = {Adjustable collar.},
  author = {J H SHELSWELL},
  year = {1963},
  doi = {10.1016/s0140-6736(63)91995-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/13977102/},
  note = {Source identifier: 13977102}
}