RT Journal Article SR Electronic T1 Breathlessness and respiratory failure in myasthenia gravis patient JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 495 OP 496 VO 26 IS 3 A1 Barlas, Shahid A1 Tregaskis, Brian F. A1 Coupe, Aileen YR 2005 UL http://smj.org.sa/content/26/3/495.abstract AB