Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Respirol. Feb 28, 2012; 2(1): 1-5
Published online Feb 28, 2012. doi: 10.5320/wjr.v2.i1.1
Table 4 Serum glutathione peroxidase Pearson correlation test
Silicosis stageCategoryLength of dust exposureType of occupation
r value0.5070.4560.3650.341
P value0.0000.0000.0000.000