International OCD Foundation- https://iocdf.org/about-ocd/

Understanding OCD- http://understanding_ocd.tripod.com/ocd_introduction.html

National Institute Of Mental Health- https://www.nimh.nih.gov/health/topics/obsessive-compulsive-disorder-ocd/index.shtml?utm_content=buffer69236&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer#part_145345

Bibliography