TY  - BOOK
ED  - United States.
ED  - United States.
TI  - Occupational health manual
U1  -  363.1170973 
PY  - 1972///
CY  - Maryland
PB  - The Department
KW  - Occupational Diseases
KW  - Prevention
KW  - United States
KW  - Industrial safety
KW  - Industrial hygiene
N1  - Includes index
ER  -