title: The health of pre-school children and the response to illness of single-parent families.
mesh_terms: D002662:Child Health Services; D002675:Child, Preschool; D004739:England; D005191:Family Characteristics; D006801:Humans; D009017:Morbidity; D012141:Respiratory Tract Infections / Q000453:epidemiology; D012847:Single Person