@misc{indiciae17fca1d7cc62,
  title = {Experiences with the echo midliner in children.},
  author = {T Grumme and G Graef and W Meese and H J Grauthoff and V Amtenbrink and G Frommel},
  year = {1975},
  doi = {10.1002/jcu.1870030312},
  url = {https://pubmed.ncbi.nlm.nih.gov/829520/},
  note = {Source identifier: 829520}
}