TY  - RPRT
TI  - Emotional stability in colliery workers.
AU  - A HERON
AU  - D BRAITHWAITE
PY  - 1953
DO  - 10.1136/oem.10.1.27
UR  - https://pubmed.ncbi.nlm.nih.gov/13009051/
ID  - 13009051
ER  -