Mammi P, Brianti R, Galuppo L, Caffarra P. Subarachnoid hemorrhage and extrapyramidal symptoms: a case report. Acta Biomed. 2016;87(2):194-196. Accessed April 23, 2026. https://www.mattioli1885journals.com/index.php/actabiomedica/article/view/5140