New England Journal of Medicine published a paper co-authored by Gylfi Ólafsson and Fredrik Borgström in its 14th April 2016 issue. The study is accompanied by an editorial. The paper presents the results of a randomised study comparing fusion and decompression for lumbar spinal stenosis to decompression only, showing that the additional cost of the former is not associated with better outcomes.

Link to the paper
Link to the accompanying editorial