@article{article, title = {{Testing the association between tobacco and cannabis use and cognitive functioning: findings from an observational and Mendelian randomization study}}, publisher = {{Elsevier}}, url = {{https://eprints.whiterose.ac.uk/id/eprint/170786 }}, year = {{2021}}, month = {{4}}, author = {{Mahedy L and Wootton R and Suddell S and Skirrow C and Field M and Heron J and Hickman M and Munafo MR}}, doi = {{10.1016/j.drugalcdep.2021.108591}}, volume = {{221}}, journal = {{Drug and Alcohol Dependence}}, note = {{Accessed on 2025/06/21}}}