我们在湖北省洪湖县峰口区潭州大队322例农民中用表格法调查了农民肺发病情况,同时用对流免疫电泳法检测血清沉淀性抗体。
A random servey was made of 322 farmers for prevalence of farmer 's lung in a village of Honghu county , Hubei .