Correspondence to Dr Franz Porzsolt, Health Care Research at the Dept General and Visceral Surgery, University Hospital Ulm, Ulm 89071, Germany; f.porzsolt{at}gmx.de The description of results in ...

A network meta-analysis combines the evidence from existing randomised trials about the comparative efficacy of multiple treatments. It allows direct and indirect evidence about each comparison to be ...

The burden of death due to firearms is an ongoing public health problem in the USA. US men had a 21% life expectancy loss due to firearms compared with men from other countries.1 In 2016, 7.8% of the ...