Jama Editors' Summary: On Research In Medicine, Science, & Clinical Practice. For Physicians, Researchers, & Clinicians.

Intravenous or Intraosseous Calcium for Out-of-Hospital Cardiac Arrest, Closure of Patent Foramen Ovale After Stroke, Clinical Outcomes in Preserved Ratio Impaired Spirometry, and more

Editor's Summary by Mary McDermott, MD, Deputy Editor of JAMA, the Journal of the American Medical Association, for the December 14, 2021, issue.