Association of Urinary Sodium and Potassium Excretion with Blood Pressure
via The New England Journal of Medicine
Urinary Sodium and Potassium Excretion, Mortality, and Cardiovascular Events
via The New England Journal of Medicine
Surgery versus Physical Therapy for a Meniscal Tear and Osteoarthritis
via The New England Journal of Medicine
Randomized versus historical controls for clinical trials
via Am J Med; Sacks H, Chalmers TC, Smith H Jr
Do observational studies using propensity score methods agree with randomized trials?
A systematic comparison of studies on acute coronary syndromes
Comparison of Evidence of Treatment Effects in Randomized and Nonrandomized Studies
via JAMA; John P. A. Ioannidis, MD; Anna-Bettina Haidich, MSc; Maroudia Pappa, MSc;
Reduced dietary salt for the prevention of cardiovascular disease
via Cochrane; Adler AJ, Taylor F, Martin N, Gottlieb S, Taylor RS, Ebrahim S
The Existence of Publication Bias and Risk Factors for Its Occurrence
via JAMA; Kay Dickersin
Comparison External cephalic version at term forrest plot
Outcome: Cesarean section
Review Flowchart
Were the included studies valid?
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