1. Indirect validation of a retrospective method of exposure assessment used in a nested case-control study of lung cancer and silica exposure. Issue 2 (February 1994) Authors: Dosemeci, M; McLaughlin, J K; Chen, J Q; Hearl, F; McCawley, M; Wu, Z; Chen, R G; Peng, K L; Chen, A L; Rexing, S H Journal: Occupational and environmental medicine Issue: Volume 51:Issue 2(1994) Page Start: 136 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗