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This case involves a 39-year-old male patient with disgust-based contamination OCD treated using this approach. Following a short course of psychotherapy combined with self-directed practice, the patient\u2019s measured level of OCD severity (Yale\u2013Brown Obsessive Compulsive Scale) was reduced by 56% over a 5-month period, with the patient meeting remission at posttreatment.<\/jats:p>","DOI":"10.1891\/jcp-2024-0008","type":"journal-article","created":{"date-parts":[[2025,6,25]],"date-time":"2025-06-25T18:40:21Z","timestamp":1750876821000},"page":"42-51","source":"Crossref","is-referenced-by-count":2,"title":["Treating a Case of Disgust-Based Contamination Obsessive\u2013Compulsive Disorder Using a Functional Approach to Exposure and Response Prevention: A Case Study"],"prefix":"10.1891","volume":"40","author":[{"given":"Richard S.","family":"Gallagher","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"793","published-online":{"date-parts":[[2025,6,25]]},"reference":[{"key":"2026022514451422000_40.1.42.1","doi-asserted-by":"publisher","DOI":"10.1177\/070674370605100702"},{"key":"2026022514451422000_40.1.42.2","first-page":"147","article-title":"Therapeutic process during exposure: Habituation model","year":"2015","journal-title":"Journal of Obsessive-Compulsive and Related Disorders"},{"key":"2026022514451422000_40.1.42.3","doi-asserted-by":"publisher","DOI":"10.1503\/jpn.160079"},{"key":"2026022514451422000_40.1.42.4","first-page":"28","article-title":"A randomized controlled trial of the judicious use of safety behaviors during exposure therapy","year":"2019","journal-title":"Behaviour Research and Therapy"},{"key":"2026022514451422000_40.1.42.5","unstructured":"Burns, D. 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