Choo Esther K, van Dis Jane, Kass Dara
From the Center for Policy and Research in Emergency Medicine, Oregon Health and Science University, Portland (E.K.C.); the OB Hospitalist Group, Burbank, CA (J.V.D.); and the Department of Emergency Medicine, Columbia University Medical Center, New York (D.K.).
N Engl J Med. 2018 Oct 25;379(17):1592-1593. doi: 10.1056/NEJMp1809351. Epub 2018 Sep 12.