RT Journal Article SR Electronic T1 Mass lesion in a chest x-ray of a male adolescent JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1417 OP 1418 VO 35 IS 11 A1 Madhavan, Indira A1 Andrews, Mekkattukunnel A. YR 2014 UL http://smj.org.sa/content/35/11/1417.abstract AB