[ON THE CLINICAL PICTURE OF "EARLY SILICOSIS"].
D001699:Biometry; D003032:Coal Mining; D006801:Humans; D012129:Respiratory Function Tests; D012829:Silicosis; D013223:Statistics as Topic
COAL MINING; RESPIRATORY FUNCTION TESTS; SILICOSIS; STATISTICS
ZUR KLINIK DER "FRUEHSILIKOSE".