RT Journal Article SR Electronic T1 Extra pulmonary tuberculosis in Saudi Arabia JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1557 OP 1558 VO 23 IS 12 A1 Agarwal, Nirmala A1 Arya, Subhash C. A1 Alrajhi, Abdulrahman A. A1 Al-Barrak, Ali M. YR 2002 UL http://smj.org.sa/content/23/12/1557.abstract AB