249 Effectiveness of a dose-based concept for dust control – a longitudinal study of coal miners’ in the ruhr area
M Yong, L Anderle, R Derwall, H Lenaerts, P Morfeld
Occupational and Environmental Medicine Apr 2018, 75 (Suppl 2) A440; DOI: 10.1136/oemed-2018-ICOHabstracts.1253
