PT  - JOURNAL ARTICLE
AU  - Greenburg, M
TI  - Airways obstruction, coal mining, and disability.
AID  - 10.1136/oem.51.12.841-a
DP  - 1994 Dec 01
TA  - Occupational and Environmental Medicine
PG  - 841--842
VI  - 51
IP  - 12
4099  - http://oem.bmj.com/content/51/12/841.2.short
4100  - http://oem.bmj.com/content/51/12/841.2.full
SO  - Occup Environ Med1994 Dec 01; 51