RT Journal Article SR Electronic T1 Preventing tuberculosis among silica dust exposed workers JF Occupational and Environmental Medicine JO Occup Environ Med FD BMJ Publishing Group Ltd SP 765 OP 766 DO 10.1136/oemed-2018-105315 VO 75 IS 11 A1 International Commission on Occupational Health (ICOH) YR 2018 UL http://oem.bmj.com/content/75/11/765.abstract AB