@misc{indiciaee6a3699ef5d7,
  title = {Asthma and having siblings.},
  author = {J Crane and N Pearce and R Shaw and P Fitzharris and C Mayes},
  year = {1994},
  doi = {10.1136/bmj.309.6949.272},
  url = {https://pubmed.ncbi.nlm.nih.gov/8069159/},
  note = {Source identifier: 8069159}
}