American Medical Association Congress on Occupational Health (38th : 1978 : University of Arizona Health Sciences Center)

Cincinnati, Ohio : Dept. of Health, Education, and Welfare, Public Health Service, Center for Disease Control, National Institute for Occupational Safety and Health, Division of Technical Services, 1979 i.e. 1980.

Unavailable--Try BorrowDirect or Interlibrary Loan >> HE 20.7102:Oc 1/3/978

American Medical Association Congress on Occupational Health (39th : 1979 : NIOSH Educational Research Center)

Cincinnati, Ohio : U.S. Dept. of Health and Human Services, Public Health Service, Center for Disease Control, National Institute for Occupational Safety and Health, Division of Technical Services, 1980.

Unavailable--Try BorrowDirect or Interlibrary Loan >> HE 20.7102:Oc 1/3/979