PT - JOURNAL ARTICLE AU - La Grange, M A TI - Prevalence of occupational lung disease among Botswana men formerly employed in the South African mining industry. AID - 10.1136/oem.55.8.577 DP - 1998 Aug 01 TA - Occupational and Environmental Medicine PG - 577--578 VI - 55 IP - 8 4099 - http://oem.bmj.com/content/55/8/577.short 4100 - http://oem.bmj.com/content/55/8/577.full SO - Occup Environ Med1998 Aug 01; 55