TY  - BOOK
ED  - National Tuberculosis Association.
ED  - United States.
TI  - Preliminary report of Committee on mortality from tuberculosis in dusty trades
AV  - RC313.A2 N3
PY  - 1919///
CY  - Washington
PB  - Govt. print. off.
KW  - Tuberculosis
KW  - Mortality
KW  - United States
KW  - Occupational diseases
KW  - Lungs
KW  - Dust diseases
N1  - At head of title: U.S. Dept. of labor. Working conditions service
ER  -