Comtois A
        
				
					
					
						
						Comtois A
	
					    
Department of Microbiology, Faculty of Biological Sciences, University of Concepcion
                            
                            
						
					 
				 
								Biography
				Comtois A is working as professor in Department of Microbiology, Faculty of Biological Sciences, University of Concepcion
 
					
				
Research Interest
				EUS; Submucosal tumors; Fine needle aspiration; Gastric neoplasm;Endoscopic ultrasound