@article{2745,
  keywords = {Lean management, Risk management, Root cause analysis},
  author = {Alan J. Card},
  title = {The problem with '5 whys'.},
  year = {2017},
  journal = {BMJ Qual Saf},
  volume = {26},
  pages = {671-677},
  month = {12/2017},
  issn = {2044-5423},
  doi = {10.1136/bmjqs-2016-005849},
  language = {eng},
}