@misc{indiciae2197c94f1557,
  title = {The Roper-Day total shoulder replacement.},
  author = {B A Roper and J M Paterson and W H Day},
  year = {1990},
  doi = {10.1302/0301-620x.72b4.2380229},
  url = {https://pubmed.ncbi.nlm.nih.gov/2380229/},
  note = {Source identifier: 2380229}
}