RT Journal Article SR Electronic T1 Unnecessary x-rays: Occurrence, disadvantages and side effects JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 209 OP 210 VO 21 IS 2 A1 Dargan, Suresh K. A1 El Bagi, Mohammed Abd YR 2000 UL http://smj.org.sa/content/21/2/209.abstract AB