HAL-Procedure (Haemorrhoidal Artery Ligation) Dr. Nazari has completed this course on 2004 at the Krankenhaus Hospital in Austria.
Intensive Course on TEM University of Tubingen at the Training Center R. Wolf Company, Germany, 2010.
Intensive Course on Laparoscopic Repair of Incisional and Parastomal Hernias Klinikum Mittelbaden, Germany, 2008.