title: [Biologically active components of sapropels].
mesh_terms: D056890:Eukaryota / Q000032:analysis*; D009094:Mud Therapy; D012800:Siberia; D014131:Trace Elements / Q000032:analysis
chemical_list: D014131:Trace Elements
vernacular_title: O nekotorykh biologicheski aktivnykh komponentov sapropeleĭ.