Table 1

Results of written examinations (means quoted)

First visit
 Second visit
Combitube
 83.3%
 25/30
 79%
 23.7/30
LMA
 91.3%
 27.4/30
 89.7%
 26.9/30

Coles et al. Critical Care 2001 5(Suppl 1):P004   doi:10.1186/cc1075