@misc{indiciae056264bba76f,
  title = {Headache and peptic ulcer.},
  author = {L L LOVSHIN},
  year = {1954},
  doi = {10.3949/ccjm.21.4.230},
  url = {https://pubmed.ncbi.nlm.nih.gov/13199893/},
  note = {Source identifier: 13199893}
}