Occupational pulmonary disease focus on grain dust and health
International Symposium on Grain Dust and Health1977Saskatoon.
Dosman, James A.
Cotton, David J.
New York London Academic Press
1980
'Proceedings of the International Symposium on Grain Dust and Health held in Saskatoon, Canada, November 7-9, 1977' - half title page verso
Includes index
Lungs
Grain trade
Occupational diseases