Mayo Clinic
Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA.
Journal of Palliative Medicine | March 31, 2023 | Volume: 26 | Issue: 10 | Pages: 1401-1407
Journal of Palliative Care | June 15, 2018 | Volume: 33 | Issue: 3 | Pages: 123-124