University of Helsinki Division of Anesthesiology Department of Anesthesiology, Intensive Care and Pain Medicine Helsinki University Hospital Helsinki, Finland PAIN AND POSTOPERATIVE HEMORRHAGE AFTER TONSILLECTOMY Kaisa Tolska ACADEMIC DISSERTATION To be presented, with the permission of the Medical Faculty of the University of Helsinki, for public discussion in the Auditorium of the Women’s Hospital, Haartmaninkatu 2, on October 26, 2019 Helsinki 2019