“…The overall mortality in the cohort was lower than in the reference population, despite an increased mortality from acute myocardial infarction among males in both the sulfate and sulWte mills (Andersson et al 2007), and there was no increase in mortality from malignancies. These Wndings are in accordance with the "healthy worker survival eVect" (HWSE) often observed in industrial cohorts, resulting in lower total mortality among them than in the general population (Checkoway et al 2004).…”