For citations:
Merchina S.V., Pulcherovskaya L.P., Akhmetova V.V., Laishevtsev A.I. Qualitative indicators of river fish with opisthorchiasis. Proceedings of the Voronezh State University of Engineering Technologies. 2018;80(3):298-306. (In Russ.) https://doi.org/10.20914/2310-1202-2018-3-298-306