RT Journal Article SR Electronic T1 An unusual case of rectal perforation resulting in extensive surgical emphysema JF BMJ Case Reports FD BMJ Publishing Group Ltd SP bcr0920114822 DO 10.1136/bcr.09.2011.4822 VO 2012 A1 Yi Jie Lee A1 Naren N Basu A1 Umesh Parampalli A1 David Birch YR 2012 UL http://casereports.bmj.com/content/2012/bcr.09.2011.4822.abstract AB