Efficacy and safety of paracetamol for spinal pain and osteoarthritis: systematic review and meta-analysis of randomised placebo controlled trials
BMJ (2015) - Comment
pubmed: 25828856  doi: 10.1136/bmj.h1225  issn: 1756-1833 

Gustavo C Machado, Chris G Maher, Paulo H Ferreira, Marina B Pinheiro, Chung-Wei Christine Lin, Richard O Day, Andrew J McLachlan, Manuela L Ferreira