RT Journal Article SR Electronic T1 Author response: Extended follow-up of lung cancer and non-malignant respiratory disease mortality among California diatomaceous earth workers JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 72 OP 72 DO 10.1136/oemed-2015-103362 VO 73 IS 1 A1 Lisa Gallagher A1 Robert M Park A1 Harvey Checkoway YR 2016 UL http://oem.bmj.com/content/73/1/72.abstract AB