RT Journal Article SR Electronic T1 Volvulus: a rare twist on small-bowel obstruction JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 728 OP 728 DO 10.1503/cmaj.1040662 VO 171 IS 7 A1 Peter G. Katis A1 Solange M. Dias YR 2004 UL http://www.cmaj.ca/content/171/7/728.abstract AB