Cluster randomized trials utilizing primary care electronic health records: methodological issues in design, conduct, and analysis (eCRT Study)

Variability of antibiotic prescribing in patients with chronic obstructive pulmonary disease exacerbations: a cohort study

(2013) Rachael Boggon et al.   BMC Pulmonary Medicine

Completeness and diagnostic validity of recording acute myocardial infarction events in primary care, hospital care, disease registry, and national mortality records: cohort study

(2013) E. Herrett et al.   BMJ-British Medical Journal

Validity of cancer diagnosis in a primary care database compared with linked cancer registrations in England. Population-based cohort study

(2012) A. Dregan et al.   Cancer Epidemiology

A simple sample size formula for analysis of covariance in cluster randomized trials

(2012) Steven Teerenstra et al.   STATISTICS IN MEDICINE

Cluster randomized trial in the general practice research database: 2. Secondary prevention after first stroke (eCRT study): study protocol for a randomized controlled trial

(2012) Alex Dregan et al.   Trials

The Ottawa Statement on the Ethical Design and Conduct of Cluster Randomized Trials

(2012) Charles Weijer et al.   PLOS MEDICINE

Utility of electronic patient records in primary care for stroke secondary prevention trials

(2011) Alex Dregan et al.   BMC PUBLIC HEALTH

A point-of-care clinical trial comparing insulin administered using a sliding scale versus a weight-based regimen

(2011) Louis D Fiore et al.   Clinical Trials

Cluster randomised trial in the General Practice Research Database: 1. Electronic decision support to reduce antibiotic prescribing in primary care (eCRT study)

(2011) Martin C Gulliford et al.   Trials

Developing a computer delivered, theory based intervention for guideline implementation in general practice

(2010) Lisa McDermott et al.   BMC Family Practice

Validation and validity of diagnoses in the General Practice Research Database: a systematic review

(2009) Emily Herrett et al.   BRITISH JOURNAL OF CLINICAL PHARMACOLOGY

A pragmatic–explanatory continuum indicator summary (PRECIS): a tool to help trial designers

(2009) Kevin E. Thorpe et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Selection of Medical Diagnostic Codes for Analysis of Electronic Patient Records. Application to Stroke in a Primary Care Database

(2009) Martin C. Gulliford et al.   PLoS One