This was a cross-sectional study based on surveys conducted in 1997, 1999, 2005, 2007 and 2009 by Statistics Sweden (SCB) representing the Swedish work force. Data concerning working environment was… (More)
BACKGROUND: Hydrocarbon-degrading biofilms in the treatment of contaminated groundwaters have received increasing attention due to the role played in the so-called "biobarriers". These are… (More)