Prevalence and Morphometry of Occipital Condylar Canals and Their Surgical Relevance. - Luzzi S; Triantafyllou G; Karangeli N; Papadopoulos-Manolarakis P; Galzio R; Tsakotos G; Olewnik Ł; Piagkou M (Operative neurosurgery (Hagerstown, Md.), 2025)