@misc{indiciaef020cabec254,
  title = {[Gastroduodenal invagination].},
  author = {J Wøldike and J K Petersen and J Skovdal and E Hoffmann},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/3433543/},
  note = {Source identifier: 3433543}
}