@article{23394,
  author = {Harvey L and Jan Stephen},
  title = {Process evaluations for large clinical trials involving complex interventions.},
  year = {2017},
  journal = {Spinal Cord},
  volume = {55},
  pages = {963},
  issn = {1476-5624},
  doi = {10.1038/sc.2017.107},
  language = {eng},
}