TY  - JOUR 
T1  - At Last, a Sensitive Method to Detect Incipient Systolic Dysfunction!
JO  - Arquivos Brasileiros de Cardiologia
A1  - Silva, Carlos Eduardo Suaide
SN  - 0066-782X
UL  - 10.5935/abc.20190198
VL  - 113 
Y1  - 2019
PB  - Brasil 
ER  -