Once in remission, patients were randomized to receive either no further treatment or maintenance therapy with MabThera. 一俟病情缓解，患者便以随机方式分为两组，一组不作进一步的治疗，另一组则用美罗华进行维持治疗。
Including the establishment of clean needles exchange points, to open out-patient methadone maintenance therapy, achieving remarkable results. 包括设立清洁针具交换点，开设美沙酮维持治疗门诊等，取得明显效果。
