Platelet-Rich Plasma Injection for Knee Osteoarthritis, Bariatric Surgery for Nonalcoholic Steatohepatitis and Liver and Cardiac Outcomes, mRNA Vaccination and COVID-19 Hospitalizations, and more

Published: Nov. 23, 2021, 4 p.m.

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Editor\\u2019s Summary by Linda Brubaker, MD, Associate Editor of JAMA, the Journal of the American Medical Association, for the November 23, 2021, issue.

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