Gabbard J, Pajewski NM, Callahan KE, Dharod A, Foley KL, Ferris K, Moses A, Willard J, Williamson JD. Effectiveness of a Nurse-Led Multidisciplinary Intervention vs Usual Care on Advance Care Planning for Vulnerable Older Adults in an Accountable Care Organization: A Randomized Clinical Trial. JAMA Intern Med. 2021 Mar 01; 181(3):361-369.