Bothriocephalosis in the South of Russia: actual methods of diagnosis and treatment Victoria Horosheltseva, Tatiana Strizhakova, Anna Poluyan, Timofey Barabashin and Efim Kozhurin E3S Web Conf., 273 (2021) 03012 Published online: 22 June 2021 DOI: 10.1051/e3sconf/202127303012