127 Why does primary angioplasty not work in observational studies when it works consistently in randomised controlled trials? an analysis of 51242 patients with ST elevation myocardial infarction
S Sen, J E Davies, I S Malik, N Hadjiloizou, R A Foale, R Baruah, G W Ghada, A D Hughes, J Mayet, D Francis
Heart Jun 2010, 96 (Suppl 1) A73-A74; DOI: 10.1136/hrt.2010.196089.22