J Rutenfranz, P Knauth, G Hildebrandt, W Rohmert. Show Affiliations »
Abstract
Mesh: See more » AdultCircadian RhythmHumansLeisure ActivitiesMiddle AgedOccupational MedicineRailroadsSleepTime Factors
Year: 1974 PMID: 4821454
Source DB: PubMed Journal: Int Arch Arbeitsmed ISSN: 0020-5923