title: [Selenium content of underground waters in the USSR].
mesh_terms: D008722:Methods; D012643:Selenium / Q000032:analysis*; D014586:USSR; D014867:Water / Q000032:analysis*
chemical_list: D014867:Water; D012643:Selenium
vernacular_title: K voprosu o soderzhanii selena v podzemnykh vodakh SS.