Fekete, M., P. Balazs, A. Lehoczki, J. Forrai, N. Dosa, V. Fazekas-Pongor, A. Feher, B. Madarasz, and J. Varga. “The Role of Gut Microbiome and Its Modification While Regulating the Defence Mechanisms, Particularly in Severe COVID-19 Cases”. Medicina Internacia Revuo, Vol. 30, no. 2, Sept. 2023, pp. 154-66, https://interrev.com/mir/index.php/mir/article/view/217.