BLOOD GROUPS OF MINERS WITH COAL-WORKERS' PNEUMOCONIOSIS AND BRONCHITIS.
D055008:Anthracosis; D001789:Blood Group Antigens; D001991:Bronchitis; D003031:Coal; D003032:Coal Mining; D006801:Humans; D011009:Pneumoconiosis; D014852:Wales
D001789:Blood Group Antigens; D003031:Coal
BLOOD GROUPS; BRONCHITIS; COAL MINING; PNEUMOCONIOSIS; WALES