NCIt synonyms : mcg/mcg; Microgram per Microgram; mg/mg; g/g; Gram/Gram; Kilogram per Kilogram; kg/kg; ug/ug; Milligram per Milligram;
NCIt definition : A unit of a mass fraction expressed as a number of grams of substance per gram of
mixture. The unit is also used as a dose calculation unit.;
Alternative definition : CDISC: A unit of a mass fraction expressed as a number of grams of substance per gram
of mixture.;