How doctors care for their patients is highly influenced by clinical guidelines. Recommendations based on anecdotal experience or poor data can harm patients.
Academic rigor, journalistic flair
Articles on Randomized-controlled trial
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Since the coronavirus first began spreading around the globe, people have debated how effective masks are at preventing COVID-19. A year and a half in, what does the evidence show?
The only way to know if a medical treatment actually works is with a randomized-controlled trial.
Top contributors
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Associate Professor of Public Policy, University of Maryland, Baltimore County
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Assistant Professor of Environmental Health Sciences, University of California, Berkeley
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Gehring Professor of Orthopaedic Surgery, University of Michigan
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Professor Emeritus of Medicine, University of Alabama at Birmingham
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Chief Medical Officer at the Los Angeles County + University of Southern California Medical Center, Adjunct Professor of Medicine, University of Southern California
