@misc{indiciae56bba419b29e,
  title = {Assisting venous return.},
  author = {H D Johnson},
  year = {1970},
  doi = {10.1016/s0140-6736(70)91120-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/4191954/},
  note = {Source identifier: 4191954}
}