We investigated footwear-workers (all males) exposed to SBA (n = 29) (for 3.98±4.13 years), andWBA (n = 16), which
had spent the six months previous to the study employed in an experimental section which used only water-based adhesives,
although they had previously worked in sections which used solvent-based adhesives (for 5.80±4.03 years); 25 healthy subjects
were used as controls.