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APA Citation
Wu, K., Juan, S., Chan, C., Chou, S., & Chan, H. (2020). factors Affecting Changes of Cluster of Differentiation 4 Cell Counts Among Human Immunodeficiency Virus-positive People Who Inject Heroin and Receive Methadone Maintenance Treatment. Journal of addiction medicine, 14(6), . http://access.bl.uk/ark:/81055/vdc_100154969372.0x000004