@misc{indiciaeafda07cbb7d2,
  title = {[Cardinal symptom: singultus. Pathogenesis and therapy].},
  author = {M Bärschneider},
  year = {1971},
  url = {https://pubmed.ncbi.nlm.nih.gov/5108973/},
  note = {Source identifier: 5108973}
}