TY  - BOOK
AU  - Key,Marcus M.
ED  - National Institute for Occupational Safety and Health.
TI  - Occupational diseases: a guide to their recognition. 
T2  - DHEW (NIOSH) publication ; no. 77-181
U1  - 616.9803 23
PY  - 1977///
CY  - Washington
PB  - U.S. Dept. of Health, Education, and Welfare, Public Health Service, Center for Disease Control, National Institute for Occupational Safety and Health : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
KW  - Occupational diseases
N1  - Earlier ed. issued as PHS publication no. 1097; Includes bibliographies and index
ER  -