RT Journal Article SR Electronic T1 Need for knowledge of local scanners for patients with morbid obesity JF Emergency Medicine Journal JO Emerg Med J FD BMJ Publishing Group Ltd and the British Association for Accident & Emergency Medicine SP 372 OP 372 DO 10.1136/emj.2007.046003 VO 24 IS 5 A1 S M Y Ahmed A1 K R Bhamidipati A1 R Ahmad YR 2007 UL http://emj.bmj.com/content/24/5/372.2.abstract AB