1.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.
1.对我院近年来难性肺结
、
片阳性病人随
分为两
(对照
疗
)。对照
化疗方案相同,
疗
加用卷曲霉素,观察疗效。