(Q74048946)
Statements
[Hospitalization due to pneumonia: the influence of socioeconomic and pregnancy factors in a cohort of children in Southern Brazil] (English)
E Weiderpass
J A César
C G Victora
I S Santos
F C Barros
E P Albernaz
L M Oliveira
J A Flores
B L Horta
1 February 1997