Meta-analyses including non-randomized studies of therapeutic interventions: a methodological review

Public availability of results of observational studies evaluating an intervention registered at ClinicalTrials.gov

(2016) Marie Baudart et al.   BMC Medicine

Potential Bias of Instrumental Variable Analyses for Observational Comparative Effectiveness Research

(2014) Laura Faden Garabedian et al.   ANNALS OF INTERNAL MEDICINE

How to Read a Systematic Review and Meta-analysis and Apply the Results to Patient Care

(2014) Mohammad Hassan Murad et al.   JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION

Observational studies using propensity score analysis underestimated the effect sizes in critical care medicine

(2014) Zhongheng Zhang et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Making Prospective Registration of Observational Research a Reality

(2014) R. Dal-Re et al.   Science Translational Medicine

Quality of reporting in systematic reviews of adverse events: systematic review

(2014) L. Zorzela et al.   BMJ-British Medical Journal

Observational Study Designs for Comparative Effectiveness Research: An Alternative Approach to Close Evidence Gaps in Head-and-Neck Cancer

(2013) Bernardo H.L. Goulart et al.   INTERNATIONAL JOURNAL OF RADIATION ONCOLOGY BIOLOGY PHYSICS

Incorporation of assessments of risk of bias of primary studies in systematic reviews of randomised trials: a cross-sectional study

(2013) Sally Hopewell et al.   BMJ Open

Can trial quality be reliably assessed from published reports of cancer trials: evaluation of risk of bias assessments in systematic reviews

(2013) C. L. Vale et al.   BMJ-British Medical Journal

Methodology and reporting of systematic reviews and meta-analyses of observational studies in psychiatric epidemiology: Systematic review

(2012) Traolach S. Brugha et al.   BRITISH JOURNAL OF PSYCHIATRY

Observational Studies in the Era of Randomized Trials

(2012) Renan C Castillo et al.   JOURNAL OF BONE AND JOINT SURGERY-AMERICAN VOLUME

Observational studies in systemic reviews of comparative effectiveness: AHRQ and the Effective Health Care Program

(2011) Susan L. Norris et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Revisiting issues, drawbacks and opportunities with observational studies in comparative effectiveness research

(2011) Demissie Alemayehu et al.   JOURNAL OF EVALUATION IN CLINICAL PRACTICE

Meta-analyses of Adverse Effects Data Derived from Randomised Controlled Trials as Compared to Observational Studies: Methodological Overview

(2011) Su Golder et al.   PLOS MEDICINE

Observational studies: going beyond the boundaries of randomized controlled trials

(2010) Wenying Yang et al.   DIABETES RESEARCH AND CLINICAL PRACTICE

The Role of Observational Investigations in Comparative Effectiveness Research

(2010) Nicholas F. Marko et al.   VALUE IN HEALTH

From Randomized Controlled Trials to Observational Studies

(2009) Stuart L. Silverman   AMERICAN JOURNAL OF MEDICINE

The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: explanation and elaboration

(2009) Alessandro Liberati et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Meta-analysis of well-designed nonrandomized comparative studies of surgical procedures is as good as randomized controlled trials

(2009) Ned S. Abraham et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Randomized Clinical Trials and Observational Studies

(2008) Edward L. Hannan   JACC-Cardiovascular Interventions