[Low-birth weight in the municipality of Pelotas, Brazil: risk factors].
D001835:Body Weight; D001938:Brazil; D005865:Gestational Age; D006801:Humans; D007182:Income; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D011295:Prenatal Care; D012306:Risk; D012907:Smoking
Bajo peso al nacer en el municipio de Pelotas, Brasil: factores de riesgo.