Katokhin, A.V. and Kornyychuk, Y.M. (2018) “First data of ITS1-genotyping of the Black Sea trematodes Cainocreadium and Helicometra (Trematoda: Opecoelidae)”, Marine Biological Journal, 3(4), pp. 36–42. doi:10.21072/mbj.2018.03.4.04.