NCIt definition : A unit of radioactivity equal to one millionth of a curie or 37 kilobecquerels, and
corresponding to a radioactivity of 37 000 atomic disintegrations per second.;
Alternative definition : CDISC: A unit of radioactivity equal to one millionth of a Curie or 37 kilobecquerels,
and corresponding to a radioactivity of 37 000 atomic disintegrations per second.(NCI);