[The importance of vision tests for the industrial physician. Studies on 2291 workers in the brown coal mining industry].
HEINEN
W
W
TOUSSAINT
R
R
ZERLETT
G
G
D003031:Coal; D003032:Coal Mining; D006801:Humans; D007221:Industry; D009787:Occupational Medicine; D010820:Physicians; D014787:Vision Tests
D003031:Coal
COAL MINING; INDUSTRIAL MEDICINE; VISION TESTS