%0 Conference Article %T LITHIUM SUBGROUP ELEMENTS IN THE NATURAL OBJECTS OF BLAGOVESHCHENSK’S DISTRICT AMUR REGION %A Radomskiy, S.M. %A Radomskaya, V.I. %K lithium, sodium, potassium, rubidium, cesium, francium, distribution, migration, biological media. %J XIV International Scientific Conference "System Analysis in Medicine" %D 2025 %P 2 %I Far Eastern Scientific Center of Physiology and Pathology of Respiration