Halpern Scott D, Temel Jennifer S, Courtright Katherine R
Palliative and Advanced Illness Research Center, University of Pennsylvania, Philadelphia.
Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Pennsylvania, Philadelphia.
JAMA Intern Med. 2021 Jul 1;181(7):895-896. doi: 10.1001/jamainternmed.2021.1816.