Asbestosis and idiopathic pulmonary fibrosis: Comparison of thin-section CT features - Copley,SJ; Wells,AU; Sivakumaran,P; Rubens,MB; Lee,YCG; Desai,SR; MacDonald,SLS; Thompson,RI; Colby,TV; Nicholson,AG; du,Bois RM; Musk,AW; et al. (RADIOLOGY, 2003)