TY  - JOUR 
T1  - Access to health care in developing countries: breaking down demand side barriers
JO  - Cadernos de Saúde Pública
A1  - O'Donnell, Owen
SN  - 0102-311X
UL  - 10.1590/S0102-311X2007001200003
VL  - 23 
Y1  - 2007
PB  - Brasil 
ER  -