Leung, Janni and Gravely, Shannon and Lim, Carmen and Hall, Wayne and Chan, Gary (2022) Age-period-cohort analysis of trends in tobacco smoking, cannabis use, and their co-use in the Australian population. Addiction , 117 , (10) , pp. 2730-2735.

Leung, Janni and Connor, Jason and Hides, Leanne and Hall, Wayne D (2020) Alcohol advertisers may be using social media to encourage parents to drink during COVID‐19. Medical Journal of Australia , 213 , (4) .

Leung, Janni and Chiu, Vivian and Man, Nicola and Yuen, Wing See and Dobbins, Timothy and Dunlop, Adrian and Gisev, Natasa and Hall, Wayne and Larney, Sarah and Pearson, Sallie-Anne and Degenhardt, Louisa and Peacock, Amy (2023) All-cause and cause-specific mortality in individuals with an alcohol-related emergency or hospital inpatient presentation: a retrospective data linkage cohort study. Addiction , 118 , (9) , pp. 1751-1762.

Chan, Gary C K and Gartner, Coral and Lim, Carmen and Sun, Tianze and Hall, Wayne and Connor, Jason and Stjepanović, Daniel and Leung, Janni (2022) Association between the implementation of tobacco control policies and adolescent vaping in 44 lower-middle, upper-middle, and high-income countries. Addiction , 117 , (8) , pp. 2296-2305.

Hines, Lindsey and Trickey, Adam and Leung, Janni and Larney, Sarah and Peacock, Amy and Degenhardt, Louisa and Colledge, Samantha and Hickman, Matthew and Grebely, Jason and Cunningham, Evan B and Stone, Jack and Dumchev, Konstantyn and Griffiths, Paul and Vickerman, Peter and Mattick, Richard P and Lynskey, Michael T (2020) Associations between national development indicators and the age profile of people who inject drugs: results from a global systematic review and meta-analysis. The Lancet Global Health , 8 , (1) .

Chan, Gary C K and Lim, Carmen and Sun, Tianze and Stjepanovic, Daniel and Connor, Jason and Hall, Wayne and Leung, Janni (2022) Causal inference with observational data in addiction research. Addiction , 117 , (10) , pp. 2736-2744.

Chan, Gary C K and Sun, Tianze and Stjepanović, Daniel and Vu, Giang and Hall, Wayne D and Connor, Jason P and Leung, Janni (2024) Designing observational studies for credible causal inference in addiction research-Directed acyclic graphs, modified disjunctive cause criterion and target trial emulation. Addiction , Early online .

Leung, Janni and Stjepanović, Daniel and Dawson, Danielle and Hall, Wayne D (2021) Do cannabis users reduce their THC dosages when using more potent cannabis products? A review. Frontiers in Psychiatry , 12 , p. 630602.

Hall, Wayne and Leung, Janni and Lynskey, Michael (2020) The effects of cannabis use on the development of adolescents and young adults. Annual Review of Developmental Psychology , 2 , pp. 461-483.

Degenhardt, Louisa and Webb, Paige and Colledge-Frisby, Samantha and Ireland, Jeremy and Wheeler, Alice and Ottaviano, Sophie and Kairouz, Abe and Cunningham, Evan B and Hajarizadeh, Behzad and Leung, Janni and Tran, Lucy T and Price, Olivia and Peacock, Amy and Vickerman, Peter and Farrell, Michael and Dore, Gregory J and Hickman, Matthew and Grebely, Jason (2023) Epidemiology of injecting drug use, prevalence of injecting-related harm, and exposure to behavioural and environmental risks among people who inject drugs: a systematic review. The Lancet Global Health , 11 , (5) .

Colledge-Frisby, Samantha and Ottaviano, Sophie and Webb, Paige and Grebely, Jason and Wheeler, Alice and Cunningham, Evan B and Hajarizadeh, Behzad and Leung, Janni and Peacock, Amy and Vickerman, Peter and Farrell, Michael and Dore, Gregory J and Hickman, Matthew and Degenhardt, Louisa (2023) Global coverage of interventions to prevent and manage drug-related harms among people who inject drugs: a systematic review. The Lancet Global Health , 11 , (5) .

Sun, Tianze and Anandan, Aathavan and Lim, Carmen C W and East, Katherine and Xu, Steve S and Quah, Anne C K and Rutherford, Brienna N and Johnson, Benjamin and Qi, Yaqi and Stjepanovic, Daniel and Leung, Janni and Connor, Jason P and Gartner, Coral and Hall, Wayne D and Vu, Giang and Chan, Gary C K (2023) Global prevalence of heated tobacco product use, 2015-2022: a systematic review and meta-analysis. Addiction , 118 , (8) , pp. 1430-1444.

Peacock, Amy and Leung, Janni and Larney, Sarah and Colledge, Samantha and Hickman, Matthew and Rehm, Jürgen and Giovino, Gary A and West, Robert and Hall, Wayne and Griffiths, Paul and Ali, Robert and Gowing, Linda and Marsden, John and Ferrari, Alize J and Grebely, Jason and Farrell, Michael and Degenhardt, Louisa (2018) Global statistics on alcohol, tobacco and illicit drug use: 2017 status report. Addiction , 113 , (10) .

Larney, Sarah and Peacock, Amy and Leung, Janni and Colledge, Samantha and Hickman, Mathew and Wickerman, Peter and Grebely, Jason and Dumchev, Kostyantyn V and Griffiths, Paul and Hines, Lindsey and Cunningham, Evan B and Mattick, Richard P and Lynskey, Michael T and Marsden, John and Strang, John and Degenhardt, Louisa (2017) Global, regional, and country-level coverage of interventions to prevent and manage HIV and hepatitis C among people who inject drugs: a systematic review. The Lancet Global Health , 5 , (12) .

Grebely, Jason and Larney, Sarah and Peacock, Amy and Colledge, Samantha and Leung, Janni and Hickman, Matthew and Vickerman, Peter and Blach, Sarah and Cunningham, Evan and Dumchev, Konstantin and Lynskey, Michael and Stone, Jack and Trickey, Adam and Razavi, Homie and Mattick, Richard P and Farrell, Michael and Dore, Gregory J and Degenhardt, Louisa (2019) Global, regional, and country-level estimates of hepatitis C infection among people who have recently injected drugs. Addiction , 114 , (1) , pp. 150-166.

Hall, Wayne and Leung, Janni and Carlini, Beatriz H (2023) How should policy makers regulate the tetrahydrocannabinol content of cannabis products in a legal market? Addiction , 118 , (6) , pp. 998-1003.

Hall, Wayne and Leung, Janni and Carlini, Beatriz H (2023) How should policymakers regulate the tetrahydrocannabinol content of cannabis products in a legal market? Addiction , 118 , (6) , pp. 998-1003.

Hall, Wayne and Stjepanović, Daniel and Dawson, Danielle and Leung, Janni (2023) The implementation and public health impacts of cannabis legalization in Canada: a systematic review. Addiction , 118 , (11) , pp. 2062-2072.

McKetin, Rebecca and Leung, Janni and Stockings, Emily and Huo, Yan and Foulds, James and Lappin, Julia M and Cumming, Craig and Arunogiri, Shalini and Young, Jesse T and Sara, Grant and Farrell, Michael and Degenhardt, Louisa (2019) Mental health outcomes associated with of the use of amphetamines: a systematic review and meta-analysis. EClinicalMedicine , 16 , pp. 81-97.

Leung, Janni and Yimer, Tesfa Mekonen and Chiu, Vivian and Hall, Wayne D and Connor, Jason P and Chan, Gary Chung Kai (2024) Participation in Australian drug treatment programs for individuals engaging in high-risk substance use: data from a nationally representative sample. Drug and Alcohol Review , 43 , (3) , pp. 688-693.

Lim, Carmen C W and Sun, Tianze and Leung, Janni and Chung, Jack Y C and Gartner, Coral and Connor, Jason and Hall, Wayne and Chiu, Vivian and Stjepanovic, Daniel and Chan, Gary C K (2022) Prevalence of adolescent cannabis vaping: a systematic review and meta-analysis of US and Canadian studies. JAMA Pediatrics , 176 , (1) , pp. 42-51.

Dawson, Danielle and Stjepanović, Daniel and Lorenzetti, Valentina and Cheung, Christy and Hall, Wayne and Leung, Janni (2024) The prevalence of cannabis use disorders in people who use medicinal cannabis: a systematic review and meta-analysis. Drug and Alcohol Dependence , 257 .

Ellerstrand, Jerisha and Ferrari, Alize J and Degenhardt, Louisa and Whiteford, Harvey and Leung, Janni (2017) A systematic review of the global prevalence of prescription opioid non-medical use with an estimate of prescription opioid dependence. Sydney: National Drug and Alcohol Research Centre.

Chiu, Vivian and Hall, Wayne and Chan, Gary and Hides, Leanne and Leung, Janni (2022) A systematic review of trends in US attitudes toward cannabis legalization. Substance Use & Misuse , 57 , (7) , pp. 1052-1061.

Rutherford, Brienna N and Lim, Carmen C W and Johnson, Benjamin and Cheng, Brandon and Chung, Jack and Huang, Sandy and Sun, Tianze and Leung, Janni and Stjepanović, Daniel and Chan, Gary C K (2022) #TurntTrending: a systematic review of substance use portrayals on social media platforms. Addiction , 118 , (2) , pp. 206-217.

Sun, Tianze and Lim, Carmen C W and Chung, Jack and Cheng, Brandon and Davidson, Lily and Tisdale, Calvert and Leung, Janni and Gartner, Coral E and Connor, Jason and Hall, Wayne D and Chan, Gary C K (2023) Vaping on TikTok: a systematic thematic analysis. Tobacco Control , 32 , (2) , pp. 251-254.