TY  - JOUR 
T1  - Why do we need randomized and epidemiological studies on cardiovascular disease? Evidence-based cardiology VII
JO  - Arquivos Brasileiros de Cardiologia
A1  - Avezum, Álvaro
A1  - Rossi Neto, João Manoel
A1  - Piegas, Leopoldo
SN  - 0066-782X
UL  - 10.1590/S0066-782X1999000300002
VL  - 72 
Y1  - 1999
PB  - Brasil 
ER  -