#GRNACADEMY39 #ESS #Module #Subject #Maxillary #Sinus #Surgical #Choices #Prof #Alkis #Psaltis [ad_1] Course: ENDOSCOPIC SINUS SURGERY COURSE Module 2 : Rhinology Subject 2: Maxillary Sinus – Surgical Choices. Prof. Alkis Psaltis’ speak on the surgical issues in performing surgical procedure on the maxillary sinus. Professor Alkis Psaltis is the Head of Division of Otolaryngology Head