A new typo of research has just been published in the medical journal Acta Neurochirurgica: “Brian retraction injury after elective aneurysm clipping: a retrospective single‑center cohort study,” by B. Konya, J. W. Dankbaar, and A. van der Zwan, 2022. (Thanks to Retraction Watch and Ivan Oransky for bringing this to our attention.)