Fig. 1From: DOES IT WORK? -a randomized controlled trial to test the efficacy of HCV and HIV-related education on drug users in MMT, ChinaThe research flowchart. A total of 240 patients were included in this study. A total of 221 patients and 194 patients attended the follow-up interview at the end of the 12th week and 24th week after the interventionBack to article page