采用鏈霉素治疗的150名結核患者;都經含有本藥10毫克濃度的0.1毫升生理鹽水作过皮內試驗。硬結直徑6—10毫米的为+,11—20毫米的为廾,超过20毫米或坏死的卅。如硬結直徑小于s毫米的为可疑,无硬結的为阴性。皮肤試驗在12—24小时內一般地出現阳性。在鏈霉素皮肤試驗的同时,于患者的对伬前臂用濃度最高的PPD※(純淨的蛋白衍化物)作对照試驗。在被皮肤試驗的150名患者中,已知12名 150 TB patients treated with streptomycin; all had intradermal tests with 0.1 mL of normal saline at a concentration of 10 mg of the drug. Induration diameter of 6-10 mm for the +, 11-20 mm for 廾, more than 20 mm or necrotic 卅. Such as induration diameter of less than s mm suspicious, non-induration is negative. Skin tests generally appear positive within 12-24 hours. At the same time as the streptomycin skin test, the highest concentration of PPD * (neat protein derivative) was applied to the patient’s forearm as a control. Of the 150 patients who were skin tested, 12 were known