No abstract available
Publication types
-
Comparative Study
-
Research Support, Non-U.S. Gov't
MeSH terms
-
Adult
-
Age Factors
-
British Columbia
-
Edible Grain*
-
Follow-Up Studies
-
Humans
-
Male
-
Middle Aged
-
Pneumoconiosis / epidemiology*
-
Respiratory Function Tests
-
Smoking
-
Time Factors