1[1]International Labor Organization/University of Cincinnati.Occupational safety and health series.International classification of radiograph of pneumoconioses 1980,No.22 revised [R].Geneva: International Labour Office,1980.
2[2]Mcloud TC.Occupational lung disease [J].Radiol Clin North Am,1991,29:931-941.
3[3]Bergin C,Muller NL,Vedal S,et al.CT in silicosis: Correlation with plain films and pulmonary function tests [J].AJR Am J Roentgenol,1986,146:477-483.
4[4]Goddard PR,Nicholson EM,Laszlo G,et al.Computed tomography in pulmonary emphysema [J].AJR,1978,130:429-440.
5[5]Bégin R,Fillion R,Ostiguy G,et al.Emphysema in silica-and asbestos-exposed workers seeking compensation.A CT scan study [J].Chest,1995,108:647-655.
6[6]Bégin R,Bergeron D,Samson L,et al.CT assessment of silicosis in exposed workers [J].AJR,1987,148:509-514.
7[7]ATS Statement.Adverse effect of crystalline silica exposure [J].Am J Respir Crit Care Med,1997,155:761-765.
8[8]Bégin R,Ostiguy G,Fillion R,et al.Computed tomography scan in the early detection of silicosis [J].Am Rev Respir Dis,1991,144:697-705.
9[9]Kraus T,Raithel HJ,Hering KG.Evaluation and classification of high-resolution computed tomographic findings in patients with pneumoconiosis [J].Int Arch Occup Environ Health,1996,68(4):249-254.
10[10]Zhang X,Kusaka Y,Ishii Y.Computed tomography of pneumoconiosis [J].Sangyo Eiseigaku Zasshi,1995,37(5):321-328.
