https://www.nlm.nih.gov/medlineplus/ency/article/000929.htm obsessive compulsive disorder (OCD). Medical Encylopedia’s quick reference sheet https://www.nlm.nih.gov/medlineplus/ency/article/000929.htm http://www.nlm.nih.gov/medlineplus/ency/article/000929.htm Obsessive-compulsive disorder MedlinePlus http://www.nlm.nih.gov/medlineplus/ency/article/000929.htm http://www.nlm.nih.gov/medlineplus/ency/article/000929.htm Obsessive-Compulsive disorder NIHM: Obsessive-compulsive disorder Medical Encylopedia’s quick reference sheet https://www.nlm.nih.gov/medlineplus/ency/article/000929.htm Obsessive-compulsive disorder Obsessive-Compulsive disorder http://www.nlm.nih.gov/medlineplus/ency/article/000929.htm