TY  - JOUR 
T1  - Stomach cancer incidence in Brazil: an ecologic study with selected risk factors
JO  - Cadernos de Saúde Pública
A1  - Koifman, Sergio
A1  - Koifman, Rosalina Jorge
SN  - 0102-311X
UL  - 10.1590/S0102-311X1997000500009
VL  - 13 
Y1  - 1997
PB  - Brasil 
ER  -