Papers and proceedings.
Contributors: California. University. Division of Environmental Health Sciences.; Howard University, Washington, D.C. Dept. of Community Health Practice.
Published: 1970
Place of publication: [Washington?
Language: eng
Number of pages: 342
Subjects: United States. -- Congresses.; Coal miners -- Diseases -- Congresses.; Lungs -- Dust diseases -- Congresses.
Notes: Includes bibliographical references.
Conducted by Division of Environmental Health Sciences, University of California, Berkeley, and Dept. of Community Health Practice, Howard University.