@misc{8004,
  author = {M. Persson and K. Harman and Y. Vinogradova and S. Langan and J. Hippisley-Cox and K. Thomas and S. Gran},
  title = {Validation study of bullous pemphigoid and pemphigus vulgaris recording in routinely collected electronic primary healthcare records in England},
  year = {2020},
  journal = {BMJ Open},
  volume = {10},
  number = {7},
  pages = {e035934},
  issn = {2044-6055},
  doi = {10.1136/bmjopen-2019-035934},
}