M ethods to divide our hospital's lunger of recent years who have difficul t and p ositive phlegm smear phthisic into two groups(check group and cure group) and pr ocess random analysis.
对我院近年来难治肺结核、痰涂片阳
随
分
(对照
和治疗
)。对照
化疗方案相同,治疗
加用卷曲霉素,观察疗效。