@misc{indiciae1698695207f4,
  title = {[Intraoperative abdominal echography].},
  author = {N Grigorov and I Viiachki and S Nikolova and D Damianova and P Velev},
  year = {1990},
  url = {https://pubmed.ncbi.nlm.nih.gov/2204746/},
  note = {Source identifier: 2204746}
}