Duration of breastfeeding and the risk of childhood asthma in children living in urban areas.
Fonseca
M J
MJ
Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal.
Moreira
A
A
Moreira
P
P
Delgado
L
L
Teixeira
V
V
Padrão
P
P
D001249:Asthma / Q000453:epidemiology* / Q000276:immunology; D001942:Breast Feeding; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007112:Immunity, Maternally-Acquired; D008297:Male; D011174:Portugal; D015995:Prevalence; D012307:Risk Factors; D012737:Sex Factors; D012959:Socioeconomic Factors; D013997:Time Factors; D014505:Urban Population