pid type title authors mentors source_title published_date url doi isbn issn eissn kbcsm:572 "journal article" "Management of Acute Appendicitis during COVID-19 Pandemic in Croatia: a Single-Center Study" "Glavčić, Goran; Misir, Zvonimir; Janković, Suzana; Bilić, Zdenko; Radulović, Petra; Blažević, Nina; Glavčić, Marin"