@misc{indiciae05f04442325a,
  title = {The normal sialogram.},
  author = {K J Hettwer and T Folsom},
  year = {1968},
  doi = {10.1016/0030-4220(68)90351-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/5246777/},
  note = {Source identifier: 5246777}
}