TY  - JOUR 
AU  - Tizón Varela, Ana Isabel
AU  - Sousa Santos, Antonio
PY  - 2013
SN  - 0003-3022
UR  - http://hdl.handle.net/20.500.11940/1983
LA  - eng
TI  - Relationship between volume and survival in closed intensive care units is weak and apparent only in mechanically ventilated patients
DO  - 10.1097/ALN.0b013e31829c3029
T2  - Anesthesiology
M2  - 871
VL  - 119
ER  -