@misc{indiciae2da478990cf6,
  title = {Introducing the 'walk-up' flap.},
  author = {R E Marx and R P Johnson and P Tayapongsak},
  year = {1990},
  doi = {10.1016/0030-4220(90)90393-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/2234871/},
  note = {Source identifier: 2234871}
}