@misc{indiciae108d1b65ab10,
  title = {Obstruction or no obstruction.},
  author = {P Bassi and W Artibani and V Pegoraro and C Milani and F Zattoni and F Pagano},
  year = {1988},
  doi = {10.1007/bf02550609},
  url = {https://pubmed.ncbi.nlm.nih.gov/2466804/},
  note = {Source identifier: 2466804}
}