Puff, Puff, Don’t Pass: harm reduction for cannabis use during a viral respiratory pandemic by Ryan D. Assaf, Marjan Javanbakht, Pamina M. Gorbach, Onyebuchi A. Arah, Steven J. Shoptaw, Ziva D. Cooper

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Novel Location-Based Survey Using Cognitive Interviews to Assess Geographic Networks and Hotspots of Sex and Drug Use: Implementation and Validation Study by Sean C Reid, Vania Wang, Ryan D Assaf, Sofia Kaloper, Alan T Murray, Steven Shoptaw, Pamina Gorbach, Susan Cassels

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Associations of U.S. state-level COVID-19 policies intensity with cannabis sharing behaviors in 2020 by Ryan D. Assaf, Rita Hamad, Marjan Javanbakht, Onyebuchi A. Arah, Steven J. Shoptaw, Ziva D. Cooper, Pamina M. Gorbach

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Are men who have sex with men at higher risk for HIV in Latin America more aware of PrEP? by Ryan D Assaf, Kelika A Konda, Thiago S Torres, E Hamid Vega-Ramirez, Oliver A Elorreaga, Dulce Diaz-Sosa, Steven D Diaz, Cristina Pimenta, Rebeca Robles, Maria Elena Medina-Mora, Beatriz Grinsztejn, Carlos Caceres, Valdilea G Veloso

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