Langa, Kenneth M; Brown, Stephanie L.; Schulz, Richard; Hebert, Randy S; Dew, Mary Amanda; Scheier, Michael F; Beach, Scott R; Czaja, Sara J; Martire, Lynn M; Coon, David; Gitlin, Laura N; Stevens, Alan B; Nichols, Linda. (2007).
Patient Suffering and Caregiver Compassion: New Opportunities for Research, Practice, and Policy. The Gerontologist. 47(1), 4-13.