RT Journal Article SR Electronic T1 Can worms cause chest pain? JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 142 OP 143 VO 28 IS 1 A1 Yassin, Mohammed A. A1 Errayes, El-Mehdy M. A1 Khan, Fahmi Y. A1 Elbozom, Essam A. A1 Ellahi, Anil Y. YR 2007 UL http://smj.org.sa/content/28/1/142.abstract