Because whole body CT and MRI screening are relatively new concepts, most occurring on a private pay or self-referral basis, limited data have been collected comparing the 2 methods.
Columbkille was born as Colm, meaning dove, in Donegal, Ireland in 521 A.D. to a family of Irish aristocracy. Since he was a direct descendant of Niall of the Nine Hostages, Columba was part of a lineage of kings who had ruled Ireland for six centuries.
For the 1927 labor violence, see Columbine Mine massacre. The Columbine High School massacre was a school shooting that occurred on April 20, 1999, at Columbine High School in Columbine, an unincorporated area of Jefferson County in the American state of Colorado.