Reduction of radial-head subluxation in children by triage nurses in the emergency department: a cluster-randomized controlled trial
Confidence in the face of risk: the Risk Assessment and Management Self-Efficacy Study (RAMSES)
The design and use of cluster randomised controlled trials in evaluating injury prevention interventions: part 2. Design effect, sample size calculations and methods for analysis
A mixed methods study to compare models of spirometry delivery in primary care for patients at risk of COPD
Dietary improvement in people with schizophrenia: Randomised controlled trial
Comfortably Engaging: Which Approach to Alcohol Screening Should We Use?
Multilevel modelling in primary care research
Local treatments for cutaneous warts: systematic review * Commentary: Systematic reviewers face challenges from varied study designs
Measuring later health status of high risk infants: randomised comparison of two simple methods of data collection
Peer led programme for asthma education in adolescents
Midwife led debriefing to reduce maternal depression
Considerations for the design and analysis of experimental studies in physical activity and exercise promotion: advantages of the randomised controlled trial
Randomised controlled trial of follow up care in general practice of patients with myocardial infarction and angina: final results of the Southampton heart integrated care project (SHIP)
Cluster randomised trials: time for improvement
Statistics notes: The intracluster correlation coefficient in cluster randomisation
Statistics notes: Sample size in cluster randomisation
Weighted comparison of means