@article{21829,
  author = {Pinto R and Mathieson Stephanie and Lin C and Kasch R and Koes BW and McLachlan A and Maher C.},
  title = {Combination drug therapy for low back pain [protocol].},
  year = {2015},
  journal = {Cochrane Database of Systematic Reviews},
  number = {12},
  pages = {CD011982. },
  language = {eng},
}