RT Journal Article SR Electronic T1 Efficacy of endorectal ultrasonography in preoperative staging of rectal carcinoma JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 1308 OP 1310 VO 26 IS 8 A1 Izadpanah, Ahmad A1 Hosseini, Seyed V. A1 Jalli, Reza A1 Yarmohammadi, Hooman YR 2005 UL http://smj.org.sa/content/26/8/1308.abstract AB