TY  - RPRT
TI  - Pneumoconiosis.
AU  - J M Joshi
AU  - N V Kolhe
AU  - P Sundaram
PY  - 1997
DO  - 10.1136/pgmj.73.862.513
UR  - https://pubmed.ncbi.nlm.nih.gov/9307748/
ID  - 9307748
ER  -