title: Asthma and having siblings.
authors.forename: J
authors.initials: J
authors.lastname: Crane
authors.forename: N
authors.initials: N
authors.lastname: Pearce
authors.forename: R
authors.initials: R
authors.lastname: Shaw
authors.forename: P
authors.initials: P
authors.lastname: Fitzharris
authors.forename: C
authors.initials: C
authors.lastname: Mayes
mesh_terms: D000293:Adolescent; D001249:Asthma / Q000209:etiology*; D002648:Child; D005191:Family Characteristics; D005192:Family Health; D006801:Humans; D009520:New Zealand; D015995:Prevalence; D012135:Respiratory Sounds; D012307:Risk Factors