Preoperative Embolization in Patients Treated for Carotid Body Tumours – An Updated Meta-Analysis. (December 2019) - Galyfos, George; Sigala, Frangiska; Sianou, Argiri; Karantzikos, Georgios; Triantafyllou, Stamatina; Manouras, Giannis; Karathanassis, Panagiotis; Filis, Konstantinos