@misc{indiciaef94e8efdbbe5,
  title = {Behavioral-graded activity compared with usual care after first-time disk surgery: considerations of the design of a randomized clinical trial.},
  author = {R W Ostelo and A J Köke and A J Beurskens and H C de Vet and M R Kerckhoffs and J W Vlaeyen and P M Wolters and M W Berfelo and P A van den Brandt},
  year = {2000},
  url = {https://pubmed.ncbi.nlm.nih.gov/10863250/},
  note = {Source identifier: 10863250}
}