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APA Citation
Deng, L., Zou, X., Chen, W., Xia, Y., Liu, Y., & Ling, L. (2016). how clients' during-treatment motivations relate to their perceptions and impressions of methadone maintenance treatment: A multilevel analysis of a cross-sectional survey in Guangdong Province, China. Drug and alcohol dependence, 164, 151–157. http://access.bl.uk/ark:/81055/vdc_100032479649.0x000027