| [the peripheral blood of frogs in the genus rana as a test system for assessing environmental pollution]. | differential analysis of leukocytes was carried out peripheral blood smears of the frogs from four localities in the territory adjacent to a chemical plant in the novgorod district (rana temporaria) and two localities with an increased radiation background in the bryansk district (r. lessonae and r. esculenta). marked and similar changes in the content of neutrophilic and eosinophilic granulocytes were found in the frogs from all studied localities. a pronounced neutropenia was noted, which was ... | 1994 | 7987204 |