title: Helium high.
mesh_terms: D006371:Helium / Q000032:analysis / Q000191:economics / Q000302:isolation & purification / Q000600:supply & distribution*; D007554:Isotopes / Q000032:analysis; D012106:Research / Q000295:instrumentation; D014481:United States; D014959:Wyoming
chemical_list: D007554:Isotopes; D006371:Helium