The structure of occupational morbidity in electric welders

: Among 6 nosologic entities of occupational diseases diagnosed in 323 electric welders of Moscow suburb, the most frequent one was pneumoconiosis caused by welding aerosol, then neurosensory deafness, chronic toxic dust bronchitis and chronic manganese intoxication. Malignancies located especially in larynx and lungs appeared important among concurrent diseases that could be considered occupational.