@article{Stadnichenko_2011 author = {A. P. Stadnichenko and G. Ye. Kirichuk}, title = {Effect of Trematoda Infestation and Zinc Ions of the Aquatic Medium on Hemocytes and Some Hematological Characteristics of Planorbarius purpura (Mollusca: Gastropoda: Pulmonata: Bulinidae)}, journal = {Hydrobiological Journal}, issn = {0018-8166}, year = {2011}, volume = {47}, number = {1}, pages = {105--113} }