TY  - JOUR 
T1  - Inappropriate use of emergency services: a systematic review of prevalence and associated factors
JO  - Cadernos de Saúde Pública
A1  - Carret, Maria Laura Vidal
A1  - Fassa, Ana Claudia Gastal
A1  - Domingues, Marlos Rodrigues
SN  - 0102-311X
UL  - 10.1590/S0102-311X2009000100002
VL  - 25 
Y1  - 2009
PB  - Brasil 
ER  -