RT Journal Article SR Electronic T1 An elderly man with fibrotic lung disease JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 422 OP 424 VO 32 IS 4 A1 Sultan T. Al-Otaibi A1 Thamer H. Al-Khouzaie YR 2011 UL http://smj.org.sa/content/32/4/422.abstract