[BIOLOGICAL TEST ON THE  AGGRESSIVITY OF DUST FROM PROCESSING IRON CLODS].
D003604:Czechoslovakia; D004391:Dust; D005132:Eye Manifestations; D006099:Granuloma; D007501:Iron; D011817:Rabbits; D012106:Research; D012825:Silicon; D012829:Silicosis
D004391:Dust; D007501:Iron; D012825:Silicon
CZECHOSLOVAKIA; DUST; EXPERIMENTAL LAB STUDY; EYE MANIFESTATIONS; GRANULOMA; IRON; RABBITS; SILICON; SILICOSIS
BIOLOGICK'Y TEST AGRESIVITY PRACHU Z HRUDKOVNY  ZELEZN'E RUDY.