@misc{indiciae0df23d93560e,
  title = {A supervised training program in flexible sigmoidoscopy: evaluating skills from residency training to clinical practice.},
  author = {R B Lewan and W N Baskin and M W Sharon and R L Greenlaw and J T Frakes and D E Vidican},
  url = {https://pubmed.ncbi.nlm.nih.gov/2721847/},
  note = {Source identifier: 2721847}
}