Figure 3From: Assessment of attitudes towards methadone maintenance treatment between heroin users at a compulsory detoxification centre and methadone maintenance clinic in Ningbo, ChinaSources of MMT information and treatment preference among participants at the Compulsory Detoxification Centre and MMT patients. ( A) sources of MMT information; ( B) Treatment preferences. Asterisk (*) denotes a significant difference between Compulsory Detoxification and MMT patients, p < 0.05.Back to article page