@misc{indiciaeec1846d2a226,
  title = {Methacholine induced headache.},
  author = {C Carratala and J G Gea and M C Aguar and S Grau and J M Espadaler-Medina and J M Broquetas},
  year = {1995},
  doi = {10.1136/thx.50.3.319},
  url = {https://pubmed.ncbi.nlm.nih.gov/7660351/},
  note = {Source identifier: 7660351}
}