Boreński, G., M. Wójcik, J. Poleszak, P. Szabat, M. Szabat, and J. Milanowska. “Gut Microbiota and Autism”. Journal of Education, Health and Sport, vol. 9, no. 9, Sept. 2019, pp. 204-12, https://apcz.umk.pl/JEHS/article/view/7380.