Cengel-Kültür, S Ebru, et al. “The Relationship Between Group A Beta Hemolytic Streptococcal Infection and Psychiatric Symptoms: A Pilot Study”. The Turkish Journal of Pediatrics, vol. 51, no. 4, Aug. 2009, pp. 317-24, https://doi.org/10.24953/turkjped.2009.2309.