TY  - RPRT
TI  - Ventilatory function in Nigerian coal miners.
AU  - B L Jain
AU  - J M Patrick
PY  - 1981
DO  - 10.1136/oem.38.3.275
UR  - https://pubmed.ncbi.nlm.nih.gov/7272241/
ID  - 7272241
ER  -