@misc{indiciae1d580649e4f0,
  title = {A new multiviewer proctosigmoidoscope for teaching use.},
  author = {J E BERK and B JULIAR},
  year = {1962},
  url = {https://pubmed.ncbi.nlm.nih.gov/13867861/},
  note = {Source identifier: 13867861}
}