[Preliminary information on a pilot study to register absenteeism due to illness in school-age children].
D000041:Absenteeism; D001604:Berlin; D002648:Child; D005859:Germany, East; D006801:Humans; D009017:Morbidity; D012574:Schools
Erste Information über eine Pilotstudie zur Erfassung der Fehlmorbidität im Schulalter.