Ayers, C., Dozier, M., Twamley, E., Saxena, S., Granholm, E., Mayes, T., & Wetherell, J. (1969). Cognitive Rehabilitation and Exposure/Sorting Therapy (CREST) for Hoarding Disorder in Older Adults: A Randomized Clinical Trial. The Journal of Clinical Psychiatry, 79(2). https://doi.org/10.4088/JCP.16m11072 (Original work published 1969)