@misc{indiciaea3396a3d614c,
  title = {Intussusception: barium or air?},
  author = {S B Palder and S H Ein and D A Stringer and D Alton},
  year = {1991},
  doi = {10.1016/0022-3468(91)90501-j},
  url = {https://pubmed.ncbi.nlm.nih.gov/2030472/},
  note = {Source identifier: 2030472}
}