Importance Harms and benefits of opioids for chronic noncancer pain remain unclear.
Objective To systematically review randomized clinical trials (RCTs) of opioids for chronic …

Background Mass media tobacco control campaigns can reach large numbers of people.
Much of the literature is focused on the effects of tobacco control advertising on young people, …

Background: Estimates on the epidemiology of chronic non-cancer pain vary widely
throughout Europe. It is unclear whether this variation reflects true population differences or …

Objective To investigate the credibility of authors’ claims of subgroup effects using a representative
sample of recently published randomised controlled trials. Design Systematic review. …

This article has been corrected. The original version (PDF) is appended to this article as a
Supplement . Description: Dietary guideline recommendations require consideration of the …

Objective To investigate the risk of pancreatitis associated with the use of incretin-based
treatments in patients with type 2 diabetes mellitus. Design Systematic review and meta-analysis…

BACKGROUND: Very little direct evidence exists on use of corticosteroids in patients with
coronavirus disease 2019 (COVID-19). Indirect evidence from related conditions must …

Objectives To examine the association between dipeptidyl peptidase-4 (DPP-4) inhibitors
and the risk of heart failure or hospital admission for heart failure in patients with type 2 …

This article has been corrected. The original version (PDF) is appended to this article as a
Supplement . Background: Dietary guidelines generally recommend limiting intake of red and …

Background Atraumatic needles have been proposed to lower complication rates after
lumbar puncture. However, several surveys indicate that clinical adoption of these needles …