title: Duration of breastfeeding and the risk of childhood asthma in children living in urban areas.
authors.affiliation: Faculty of Nutrition and Food Sciences, University of Porto, Porto, Portugal.
authors.forename: M J
authors.initials: MJ
authors.lastname: Fonseca
authors.forename: A
authors.initials: A
authors.lastname: Moreira
authors.forename: P
authors.initials: P
authors.lastname: Moreira
authors.forename: L
authors.initials: L
authors.lastname: Delgado
authors.forename: V
authors.initials: V
authors.lastname: Teixeira
authors.forename: P
authors.initials: P
authors.lastname: Padrão
mesh_terms: 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