title: [Variability in the number of absenteeism caused by disease during the days of the week].
mesh_terms: D000041:Absenteeism; D002031:Bulgaria; D006801:Humans; D009017:Morbidity; D010507:Periodicity
vernacular_title: O kolebaniiakh v uisle otsutstvuiushchikh po bolezni v rabochie dni nedeli.