#Expertise #Piezosurgery #Transsphenoidal #approaches [ad_1] Mectron Piezosurgery® in Endoscopic transsphenoidal approaches – Venera Gellner* & Michael Mokry* & Peter Valentin Tomazic** Division of Neurosurgery* and Common Otorhinolaryngology, Head and Neck Surgical procedure**, Medical UniversityHospital Graz, Austria [ad_2] dratefdratef.net