9 (4): 453–8. doi:10.1684/epd.2007.0139 (inactive 28 February 2022). PMID 18077234.{{cite journal}}: CS1 maint: DOI inactive as of February 2022 (link) ↑ Famularo G, Corsi FM, Minisola G, De Simone C, Nicotra GC (August 2007). "Cerebellar tumour presenting with pathological laughter and gelastic syncope".