For citations:

Ushakov A.V. Characteristic of combined natural foci of clonorchiasis, metagonimiasis and nanophyetiasis in the ecosystem of the Amur River and the risk of infestation in the population. Public Health and Life Environment – PH&LE. 2020;(7):51-58. (In Russ.) https://doi.org/10.35627/2219-5238/2020-328-7-51-58