苏联医学科院风湿病研究所赫得罗夫报导了苏联中乌拉尔某耐火砖厂工人的风湿性疾病流行病学调查研究的结果。该厂有职工2190人,男1254人,女936人,年龄20～60岁,均进行了调查。工人用含98％的二氧化矽品质石英为原料制造耐火砖,其职业性危害,一是含二氧化矽的生产性粉尘,二是重体力劳动。调查结果有1049人(47.89％)患有23种风湿性疾患。其分布:变形性骨关节病598人(27.31％), The Institute of Rheumatology at the Soviet Academy of Medical Sciences has reported the results of an epidemiological investigation of rheumatic diseases among workers in a refractory brick factory in the Urals in the Soviet Union. The plant has 2190 employees, 1254 men and 936 women, aged 20 to 60 years, were investigated. Workers use refractory bricks containing 98% silica-quality quartz as their raw material. Occupational hazards include silica-containing productive dust, and heavy manual labor. The survey found that 1049 (47.89%) had 23 rheumatic disorders. Its distribution: Degenerative joint disease 598 people (27.31%),