@misc{indiciaeddc7de73f003,
  title = {Valgus tibial osteotomy: avoiding the pitfalls.},
  author = {G M Engel and F G Lippert},
  year = {1981},
  url = {https://pubmed.ncbi.nlm.nih.gov/7285413/},
  note = {Source identifier: 7285413}
}