Butler CR, Vig EK, O’Hare AM, Liu CF, Hebert PL, Wong SPY. Ethical Concerns in the Care of Patients with Advanced Kidney Disease: a National Retrospective Study, 2000-2011. J Gen Intern Med. 2020 Apr;35(4):1035-1043. doi: 10.1007/s11606-019-05466-w. Epub