@misc{indiciae91689debc132,
  title = {Nutritional support before and after surgical operation.},
  author = {I D Johnston},
  year = {1980},
  doi = {10.1079/pns19800018},
  url = {https://pubmed.ncbi.nlm.nih.gov/6773050/},
  note = {Source identifier: 6773050}
}