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APA Citation
Melendez-Torres, G., Bourne, A., Reid, D., Bonell, C., Hickson, F., & Weatherburn, P. (n.d.). p121 Latent classes of last-year drug use in a large cross-sectional community-based sample of United Kingdom men who have sex with men. Journal of epidemiology and community health, 70, A107. http://access.bl.uk/ark:/81055/vdc_100135542504.0x00002b