1. A comparison of conventional and grid techniques for chest radiography in field surveys. Issue 4 (October 1973) Authors: Washington, J. S.; Dick, J. A.; Jacobsen, M.; Prentice, W. M. Journal: Occupational and environmental medicine Issue: Volume 30:Issue 4(1973) Page Start: 365 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗