Methods Acid fast sputum smear, L J culture, bacteria culture and L form culture were conducted in 124 cases of active tuberculosis, 22 inactive tuberculosis, and the results were compared.

• 方法 对 12 4例活动性肺结核和 2 2例非活动性肺结核患者 ,分别作痰抗酸染色涂片、改良罗氏培养、BACTEC 960培养和结核分枝杆菌L型培养。