TY  - RPRT
TI  - [Physical work capacity in pneumoconioses among grinders].
AU  - A A Penkovich
AU  - P I Kaliaganov
AU  - E A Gerasimova
PY  - 1978
UR  - https://pubmed.ncbi.nlm.nih.gov/689459/
ID  - 689459
ER  -