00533pab a2200157 454500008004000000100002800040245009400068260000900162300001400171362000800185650003400193650004000227650004800267650002600315773003400341180718b2003   xxu||||| |||| 00| 0 eng d  aSarkar, Debasish et al.  aOccupational diseases and their determinants: a study of coal mine workers in West Bengal  c2003  ap.223-40.  aAug  aWorkers - India - West Bengal  aCoal industry - India - West Bengal  aOccupational diseases - India - West Bengal  aOccupational diseases  aManagement and Labour Studies