Different patterns of spreading direction and motor neurons involvement in a cohort of limb‐onset amyotrophic lateral sclerosis patients from Southern Italy: Potential implication on disease course or progression? - Milella, Giammarco; Zoccolella, Stefano; Urso, Daniele; Nigro, Salvatore; Tamburrino, Ludovica; Gnoni, Valentina; Filardi, Marco; Logroscino, Giancarlo (Brain & Behavior, 2023)