[SILICOSIS IN WORKERS MINING AND PROCESSING PHOSPHORITES].
D006801:Humans; D008903:Minerals; D008906:Mining; D010710:Phosphates; D012829:Silicosis
D008903:Minerals; D010710:Phosphates; C090013:phosphorite
MINING; SILICOSIS
SILIKOZ U RABOCHIKH, ZANIATYKH NA DOBYCHE I PERERABOTKE FOSFORITOV.