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 ...

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Objectives To assess whether the gender (primary) and geographical affiliation (post-hoc) of the first and/or last authors are associated with publication decisions after peer review. Design ...

1 NHS Centre for Reviews and Dissemination University of York York, England, UK 2 UK Cochrane Centre NHS Research and Development Programme Oxford, England, UK If you ...

Correspondence to Dr Elizabeth T Thomas, Centre for Evidence-Based Medicine, Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford OX2 6HT, UK; ...

Correspondence to Karsten Juhl Jørgensen The Nordic Cochrane Centre, Rigshospitalet, Department 3343, Blegdamsvej 9, 2100 Copenhagen, Denmark; kj{at}cochrane.dk If ...

Correspondence to Dr Lori-Ann Linkins MD, MSc and FRCPC, Hematology, McMaster University Department of Medicine, Hamilton, Ontario L8S 4K1, Canada; linkinla{at}mcmaster.ca Low-molecular-weight heparin ...

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Correspondence to Dr Marleen Kunneman, Medical Decision Making, Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, Netherlands; kunneman{at}lumc.nl For too many people, ...