NCIt definition : A unit of mass flow rate equivalent to the rate at which one millionth of a gram of
matter crosses a given surface or is delivered to a given object or space over a period
of time equal to twenty four hours. Microgram per 24 hours is also a dose administration
rate unit equal to the rate at which one millionth of a gram of a product is administered
per unit of time equal to twenty four hours.;
Alternative definition : CDISC: A unit of mass flow rate equal to one microgram per day.;
Currated CISMeF NLP mapping