Citação norma APA

Chen, L., H Ferreira, P., R Beckenkamp, P., & L Ferreira, M. (2019). Comparative efficacy and safety of surgical and invasive treatments for adults with degenerative lumbar spinal stenosis: Protocol for a network meta-analysis and systematic review. BMJ Open.

Citação norma Chicago

Chen, Lingxiao, Paulo H Ferreira, Paula R Beckenkamp, and Manuela L Ferreira. "Comparative Efficacy and Safety of Surgical and Invasive Treatments for Adults With Degenerative Lumbar Spinal Stenosis: Protocol for a Network Meta-analysis and Systematic Review." BMJ Open 2019.

Citação norma MLA

Chen, Lingxiao, Paulo H Ferreira, Paula R Beckenkamp, and Manuela L Ferreira. "Comparative Efficacy and Safety of Surgical and Invasive Treatments for Adults With Degenerative Lumbar Spinal Stenosis: Protocol for a Network Meta-analysis and Systematic Review." BMJ Open 2019.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.