Document D28G7Ny6n8jqREd5x1XBX4n4

Table 1. Prevalence of silicosis and silicotulx-rculosis in Thailand. No. Authors Year Type of work 1 Metadilogkul* 1987 Refractory brick 2 Metadilogkul* 1987 Ore mill 3 Metadilogkul'5' 1988 Mortar & pestle 4 Aungkasuvapala 1995 Stone-grinding et al.,4> Number of cases 190 80 266 676 Prevalence Silicosis % 9.5 12.5 21.1 9 Silicotuberculosis % 1 - 25 1.9 Perse>na1 communication