Old tuberculin test has no aid to diagnosis 结核菌素试验对诊断无帮助
Delayed hypersensitivity reaction to old tuberculin and the prognosis of primary carcinoma of the liver 旧结核菌素(OT)皮肤迟缓型变态反应与原发性肝癌病情和预后关系
Meanwhile, the healthy persons of the same nationality, same sex, age difference less than 3 years old and residents of the same place ( city or county ), infected with Mycobacterium tuberculosis testified by Uniform Tuberculin Test, were selected as the control group. 同期通过健康查体的方式选择与病例组患者同民族、同性别、年龄相差3岁,相同居住地(城市或农村),且经统一结核菌素试验确认为有结核分支杆菌感染的健康者为对照组。