| Preferred Reporting Items for Systematic Reviews and Meta-Analyses: The PRISMA Statement | 2009/08/18 | English | 18,348 |
| A New Equation to Estimate Glomerular Filtration Rate | 2009/05/05 | English | 17,457 |
| A More Accurate Method To Estimate Glomerular Filtration Rate from Serum Creatinine: A New Prediction Equation | 1999/03/16 | English | 11,101 |
| QUADAS-2: A Revised Tool for the Quality Assessment of Diagnostic Accuracy Studies | 2011/10/18 | English | 7,994 |
| The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies | 2007/10/16 | English | 4,617 |
| Using Standardized Serum Creatinine Values in the Modification of Diet in Renal Disease Study Equation for Estimating Glomerular Filtration Rate | 2006/08/15 | English | 3,977 |
| The PRISMA Statement for Reporting Systematic Reviews and Meta-Analyses of Studies That Evaluate Health Care Interventions: Explanation and Elaboration | 2009/08/18 | English | 3,891 |
| SPIRIT 2013 Statement: Defining Standard Protocol Items for Clinical Trials | 2013/02/05 | English | 3,808 |
| Meta-analysis: Antithrombotic Therapy to Prevent Stroke in Patients Who Have Nonvalvular Atrial Fibrillation | 2007/06/19 | English | 3,324 |
| The Chronic Fatigue Syndrome: A Comprehensive Approach to Its Definition and Study | 1994/12/15 | English | 3,309 |
| Clarifying Confusion: The Confusion Assessment Method | 1990/12/15 | English | 3,270 |
| National Kidney Foundation Practice Guidelines for Chronic Kidney Disease: Evaluation, Classification, and Stratification | 2003/07/15 | English | 3,058 |
| Low Health Literacy and Health Outcomes: An Updated Systematic Review | 2011/07/19 | English | 2,881 |
| Anxiety Disorders in Primary Care: Prevalence, Impairment, Comorbidity, and Detection | 2007/03/06 | English | 2,674 |
| The Revised CONSORT Statement for Reporting Randomized Trials: Explanation and Elaboration | 2001/04/17 | English | 2,436 |
| CONSORT 2010 Statement: Updated Guidelines for Reporting Parallel Group Randomized Trials | 2010/06/01 | English | 2,395 |
| Survival in Patients with Primary Pulmonary Hypertension | 1991/09/01 | English | 2,345 |
| Measuring Health-Related Quality of Life | 1993/04/15 | English | 2,220 |
| Adherence to Protease Inhibitor Therapy and Outcomes in Patients with HIV Infection | 2000/07/04 | English | 2,201 |
| Evaluation and Management of Chronic Kidney Disease: Synopsis of the Kidney Disease: Improving Global Outcomes 2012 Clinical Practice Guideline | 2013/06/04 | English | 2,137 |
| Peginterferon-α2a and Ribavirin Combination Therapy in Chronic Hepatitis C | 2004/03/02 | English | 2,080 |
| Assessing Bias in Studies of Prognostic Factors | 2013/02/19 | English | 1,988 |
| Quantitative Synthesis in Systematic Reviews | 1997/11/01 | English | 1,844 |
| Proposed Revised Criteria for the Classification of Acute Myeloid Leukemia | 1985/10/01 | English | 1,730 |
| Wegener Granulomatosis: An Analysis of 158 Patients | 1992/03/15 | English | 1,710 |
| Using the Berlin Questionnaire To Identify Patients at Risk for the Sleep Apnea Syndrome | 1999/10/05 | English | 1,709 |
| Diagnosis and Treatment of Low Back Pain: A Joint Clinical Practice Guideline from the American College of Physicians and the American Pain Society | 2007/10/02 | English | 1,671 |
| Systematic Review: Impact of Health Information Technology on Quality, Efficiency, and Costs of Medical Care | 2006/05/16 | English | 1,659 |
| Risk Factors for Doxorubicin-lnduced Congestive Heart Failure | 1979/11/01 | English | 1,596 |
| Meta-Analysis: High-Dosage Vitamin E Supplementation May Increase All-Cause Mortality | 2005/01/04 | English | 1,593 |