The falling drop method for deuterium oxide: factors influencing accuracy.
D003903:Deuterium / Q000032:analysis*; D004864:Equipment and Supplies; D005612:Freeze Drying; D006801:Humans; D008722:Methods; D013696:Temperature; D014556:Urine / Q000032:analysis; D014867:Water / Q000032:analysis
D014867:Water; D003903:Deuterium