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)