see here

first_text= UNIVERSITY HOSPITAL ALEXANDROVSKA
National Conference of Surgery Dedicated to the 90th Anniversary of the Department of Surgery, University Hospital Alexandrovska, Sofia Medical University
20 - 22 October 2011, University Hospital Alexandrovska, Sofia
6th SPINE EXPERTS GROUP ANNUAL CONFERENCE 4 - 7 December 2008, Boyana Residence, Sofia BULGARIAN SURGICAL SOCIETY
EUROPEAN DIGESTIVE SURGERY (EDS)
EDS Postgraduate Course "Modern Concepts in GL-Surgery"
6-8 November 2008, Grand Hotel Sofia
second_text=mp_33