@misc{indiciae49f75730359d,
  title = {Gastrointestinal endocrine tumors.},
  author = {G J Krejs},
  year = {1987},
  doi = {10.1016/0002-9343(87)90421-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/3035921/},
  note = {Source identifier: 3035921}
}