pid type title authors mentors source_title published_date url doi isbn issn eissn mef:9550 "journal article" "Intraperitoneal bleeding and haemorrhagic shock caused by ruptured stomach GIST" "Romić, Ivan; Pavlek, Goran; Gojević, Ante; Radojković, Rudolf; Silovski, Hrvoje" mef:1470 thesis Kolangiokarcinom "Pezdirc, Iskra"