title: An emanation apparatus with simple operational procedure for measurements of low levels of 226Ra.
mesh_terms: D001822:Body Burden; D011874:Radiometry / Q000295:instrumentation*; D011883:Radium / Q000032:analysis*; D011886:Radon / Q000032:analysis*; D014878:Water Pollution, Radioactive / Q000032:analysis
chemical_list: D011886:Radon; D011883:Radium