@misc{indiciaefc3c77855231,
  title = {[Losing weight and improving: 2 different operations?].},
  author = {A J Tulp and S K Boersma},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/3649089/},
  note = {Source identifier: 3649089}
}