One hundred and forty-four patients with nongonococcal urethritis(NGU) caused bychlamydia trachomatis were treated with minocin by control.It showed a satisfactory result.

• 无选择性地对144例由沙眼衣原体引起的非淋菌性尿道炎患者，采用美满霉素治疗并作对照比较，取得了很好的效果。