2) DeVuyst P, KarjalainenA, DumortierP: Guidelines for mineral fibre analyses in biological samples: report of the ERS Working Group. European Respiratory Society. Eur Respir J, 1998; 11: 1416-1426.
3) DodsonRF, HammarSP: asbestos risk assessment, epidemiology, and health effects. Boca Raton, London, New York; Tayor & Francis, 2006: 1-7.