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APA Citation
Selfridge, M., Card, K. G., Greer, A., Ferencz, S., Lachowsky, N., & Macdonald, S. (2019). respondent-Driven Sampling With Youth Who Use Drugs: A Mixed Methods Assessment. Contemporary drug problems, 46, 363–378. http://access.bl.uk/ark:/81055/vdc_100094299094.0x00000c