[THE NATURE OF GENERAL AND OCCUPATIONAL MORBIDITY IN THE  CEMENT INDUSTRY (THE "VASIL KOLAROV" PLANT)].
D001203:Ascomycota; D001699:Biometry; D002031:Bulgaria; D006801:Humans; D009017:Morbidity; D009784:Occupational Diseases; D013223:Statistics as Topic
BULGARIA; MORBIDITY; OCCUPATIONAL DISEASES; STATISTICS