Peter Tugwell

ROBINS-I: a tool for assessing risk of bias in non-randomised studies of interventions

AMSTAR 2: a critical appraisal tool for systematic reviews that include randomised or non-randomised studies of healthcare interventions, or both

The american college of rheumatology 1990 criteria for the classification of fibromyalgia

Development of AMSTAR: a measurement tool to assess the methodological quality of systematic reviews

Does quality of reports of randomised trials affect estimates of intervention efficacy reported in meta-analyses?

GRADE guidelines: A new series of articles in the Journal of Clinical Epidemiology

American College of Rheumatology 2012 recommendations for the use of nonpharmacologic and pharmacologic therapies in osteoarthritis of the hand, hip, and knee

American college of rheumatology preliminary definition of improvement in rheumatoid arthritis

OARSI recommendations for the management of hip and knee osteoarthritis, Part II: OARSI evidence-based, expert consensus guidelines

CARE guidelines for case reports: explanation and elaboration document

Vascular and upper gastrointestinal effects of non-steroidal anti-inflammatory drugs: meta-analyses of individual participant data from randomised trials

Developing core outcome sets for clinical trials: issues to consider