Immunological aspects of inflammatory periodontal disease (analytical review)Vladimir Evstropov, Galina Zelenkova, Sergei Tresnitskii, Anna Spirina, Pavel Bykadorov, Mikhael Yenin, Еkaterina Danileyko and Alexey ErmakovE3S Web Conf., 210 (2020) 06005DOI: https://doi.org/10.1051/e3sconf/202021006005