TY  - JOUR 
T1  - Barriers to development: pushing the boundaries
JO  - Brazilian Journal of Cardiovascular Surgery
A1  - Neirotti, Rodolfo A.
SN  - 0102-7638
UL  - 10.5935/1678-9741.20150007
VL  - 30 
Y1  - 2015
PB  - Brazil 
ER  -