TY  - RPRT
TI  - Asthma and open cast mining.
AU  - D McBride
AU  - J Beach
AU  - I Calvert
PY  - 1992
DO  - 10.1136/bmj.305.6854.644
UR  - https://pubmed.ncbi.nlm.nih.gov/1393082/
ID  - 1393082
ER  -