Gilmore, Anna B; Hartwell, Greg; (2014) E-cigarettes: threat or opportunity? European journal of public health, 24 (4). pp. 532-533. ISSN 1101-1262 DOI: https://doi.org/10.1093/eurpub/cku085 Full text not available from this repository.

Aldridge, Robert W; Story, Alistair; Hwang, Stephen W; Nordentoft, Merete; Luchenski, Serena A; Hartwell, Greg; Tweed, Emily J; Lewer, Dan; Vittal Katikireddi, Srinivasa; Hayward, Andrew C; (2017) Morbidity and mortality in homeless individuals, prisoners, sex workers, and individuals with substance use disorders in high-income countries: a systematic review and meta-analysis. Lancet, 391 (10117). pp. 241-250. ISSN 0140-6736 DOI: https://doi.org/10.1016/S0140-6736(17)31869-X

Hartwell, G; (2019) The attendance of e-cigarette users at stop smoking services: a mixed methods study. PhD (research paper style) thesis, London School of Hygiene & Tropical Medicine. DOI: https://doi.org/10.17037/PUBS.04655681

Hartwell, Greg; Egan, Matt; Petticrew, Mark; (2019) Understanding decisions to use e‐cigarettes or behavioural support to quit tobacco: a qualitative study of current and ex‐smokers and stop smoking service staff. Addiction, 115 (3). pp. 518-526. ISSN 0965-2140 DOI: https://doi.org/10.1111/add.14844

Hartwell, Greg; Thomas, Sian; Egan, Matt; Gilmore, Anna; Petticrew, Mark; (2016) E-cigarettes and equity: a systematic review of differences in awareness and use between sociodemographic groups. Tobacco control, 26 (e2). e85-e91. ISSN 0964-4563 DOI: https://doi.org/10.1136/tobaccocontrol-2016-053222

McCambridge, Jim; Hartwell, Greg; (2014) Has industry funding biased studies of the protective effects of alcohol on cardiovascular disease? A preliminary investigation of prospective cohort studies. Drug and alcohol review, 34 (1). pp. 58-66. ISSN 0959-5236 DOI: https://doi.org/10.1111/dar.12125