TY - STAND
AU - C. Crooks
AU - T. Card
AU - J. West
BT - BMC Health Serv Res
DO - 10.1186/1472-6963-12-392
PY - 2012
EP - 392
T2 - BMC Health Serv Res
TI - Defining upper gastrointestinal bleeding from linked primary and secondary care data and the effect on occurrence and 28 day mortality
VL - 12
SN - 1472-6963
ER -