PT - JOURNAL ARTICLE AU - PSB TI - Early Detection of Occupational Diseases AID - 10.1136/thx.43.3.194-a DP - 1988 Mar 01 TA - Thorax PG - 194--194 VI - 43 IP - 3 4099 - http://thorax.bmj.com/content/43/3/194.2.short 4100 - http://thorax.bmj.com/content/43/3/194.2.full SO - Thorax1988 Mar 01; 43