TY  - JOUR 
T1  - Surgical prophylaxis secundary to cryptogenic stroke or transient ischemic attack in patients with patent foramen ovale
JO  - Brazilian Journal of Cardiovascular Surgery
A1  - Guffi, Michele E.A.
SN  - 0102-7638
UL  - 10.1590/S0102-76382003000300009
VL  - 18 
Y1  - 2003
PB  - Brasil 
ER  -