RT Journal Article SR Electronic T1 Response to: ’Artificial stone-associated silicosis in the UK' by Barber et al JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 541 OP 542 DO 10.1136/oemed-2018-105092 VO 75 IS 7 A1 Ryan F Hoy A1 Deborah H Yates YR 2018 UL http://oem.bmj.com/content/75/7/541.2.abstract AB