TY  - RPRT
TI  - Progressive silicosis in granite workers.
AU  - W Gründorfer
AU  - A Raber
PY  - 1970
DO  - 10.1136/oem.27.2.110
UR  - https://pubmed.ncbi.nlm.nih.gov/5428630/
ID  - 5428630
ER  -