An Craiceann agus a Luach

Atlas of respiratory disease mortality, United States: 1982-1993.

“…Among populations of asbestos-exposed workers, risk of asbestosis varies with intensity and duration of exposure, as well as time since first exposure. However, even among heavily exposed workers, usually no more than 50 percent have been found to have radiographic evidence of asbestosis [Rosenstock 1994]. …”