Lake, Stephanie and Nosova, Ekaterina and Buxton, Jane and Walsh, Zach and Socías, M Eugenia and Hayashi, Kanna and Kerr, Thomas and Milloy, M J (2020) Characterizing motivations for cannabis use in a cohort of people who use illicit drugs: a latent class analysis. PLoS ONE , 15 , (5) , e0233463.