TY  - BOOK
AU  - National Conservation Bureau
TI  - Industrial hygiene and occupational diseases and course outline and digest of lectures given in co-operation with the NAT conservation Bureau
U1  - 616.9803 
PY  - 1941///
CY  - New york
PB  - Center for safety Education Uni.
KW  - Health and Hygiene
KW  - Public health -- Hygiene
N1  - Occupational / industrial medicine
ER  -