North Crystal M, Dougan Michael L, Sacks Chana A
From the Division of Pulmonary and Critical Care and the Medical Practice Evaluation Center (C.M.N.), the Division of Gastroenterology (M.L.D.), and the Division of General Internal Medicine and the Mongan Institute (C.A.S.), Department of Medicine, Massachusetts General Hospital; and Harvard Medical School (C.M.N., M.L.D., C.A.S.) - both in Boston.
N Engl J Med. 2020 Oct 8;383(15):1406-1408. doi: 10.1056/NEJMp2019989. Epub 2020 Jul 15.