Durland, Logan. 2020. “Telephone-Based, Clinician-Guided Self-Help Cognitive Behavioral Therapy for Depression in Parkinson’s Disease (dPD): The Responder Cases of "Alice" and "Carl," and the Nonresponder Cases of "Ethan" and ‘Gary’”. Pragmatic Case Studies in Psychotherapy 16 (1):1-103. https://doi.org/10.14713/pcsp.v16i1.2068.