The impact of adverse environmental factors on the occurrence and prevalence of diseases in the Republic of DagestanTamara F. Kosyreva, Farida I. Astarkhanova, Ibragim R. Astarkhanov, Tamara S. Astarkhanova, Leyla I. Alibalaeva and Ilyas N. OsmanovE3S Web Conf., 116 (2019) 00036DOI: https://doi.org/10.1051/e3sconf/201911600036