Are allergic conditions a significant cause of school absence?
D000041:Absenteeism; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004739:England; D005260:Female; D006801:Humans; D006967:Hypersensitivity / Q000453:epidemiology*; D008297:Male; D012572:School Health Services; D012737:Sex Factors; D012959:Socioeconomic Factors