The effects of caffeine and d-amphetamine on spatial span task in healthy participants. - Kassim, Faiz M.; Lim, J. H. Mark; Slawik, Sophie V.; Gaus, Katharina; Peters, Benjamin; Lee, Joseph W. Y.; Hepple, Emily K.; Rodger, Jennifer; Albrecht, Matthew A.; Martin-Iverson, Mathew T. (PLoS ONE, 2023)