The relation between serum Toxoplasma gondii IgG antibody in children and ADHD and its severity January 30, 2020 Akaltun, I., Kara, T., Ayaydin, H., Alyanak, B., Beka, H., Agacfidan, A. Psychiatry and Clinical Psychopharmacology 2019, 29: 326 - 331