2Harkin T J, Differentiation of the ILO boundary chest roeutgenograph (0/1 TO 1/0) in asbestosis by highresolution computed tomography scan,alveonlitis ,and respiratony impairment [J], JOEM. 1996.38(1) :46-51.
3Ariona A. Diagnosis of chronic manganese intoxication by magnetic resonance imaging [J]. N Engl J Med, 1997,336 (13)964-965.
