PT  - JOURNAL ARTICLE
AU  - Barnard, Edward B G
AU  - Rimmer, Joanna
AU  - McD Johnston, Andrew
TI  - Pulmonary puzzle: a precordial crunch
AID  - 10.1136/thoraxjnl-2012-203095
DP  - 2013 Aug 01
TA  - Thorax
PG  - 794--795
VI  - 68
IP  - 8
4099  - http://thorax.bmj.com/content/68/8/794.short
4100  - http://thorax.bmj.com/content/68/8/794.full
SO  - Thorax2013 Aug 01; 68