@article{article, title = {{Testing the association between tobacco and cannabis use and cognitive functioning: Findings from an observational and Mendelian randomization study}}, publisher = {{Cold Spring Harbor Laboratory}}, url = {{}}, year = {{-0001}}, month = {{11}}, author = {{Mahedy L and Wootton R and Suddell S and Skirrow C and Field M and Heron J and Hickman M and Munafò MR}}, doi = {{10.1101/2020.02.26.20028274}}, note = {{Accessed on 2024/12/22}}}