O'Leary, Renée and La Rosa, Giusy Rita Maria and Polosa, Riccardo (2024) Examining e-cigarettes as a smoking cessation treatment: a critical umbrella review analysis. Drug and Alcohol Dependence, 266, 112520. https://doi.org/10.1016/j.drugalcdep.2024.112520.

O'Leary, Renée and Polosa, Riccardo and Li Volti, Giovanni (2021) Critical appraisal of the European Union Scientific Committee on Health, Environmental and Emerging Risks (SCHEER) preliminary opinion on electronic cigarettes. Harm Reduction Journal, 18, (1), p. 31. doi: 10.1186/s12954-021-00476-6.

O'Leary, Renée and Polosa, Riccardo (2020) Tobacco harm reduction in the 21st century. Drugs and Alcohol Today, 20, (3), pp. 219-234. https://doi.org/10.1108/DAT-02-2020-0007.