@misc{indiciaea1fe5d13eba2,
  title = {[Symptomatic headache. Essential differential diagnosis].},
  author = {S Förderreuther},
  year = {2004},
  doi = {10.1007/s00482-004-0354-y},
  url = {https://pubmed.ncbi.nlm.nih.gov/15316763/},
  note = {Source identifier: 15316763}
}