High radium-226 concentrations in public water supplies.
D004781:Environmental Exposure; D004782:Environmental Health; D011153:Population; D011635:Public Health Administration; D011883:Radium / Q000032:analysis*; D012494:Sampling Studies; D014481:United States; D014492:United States Public Health Service; D014878:Water Pollution, Radioactive / Q000032:analysis*; D014881:Water Supply
D011883:Radium