pid type title authors mentors source_title published_date url doi isbn issn eissn kbcsm:87 "journal article" "Morbidly Obese are Ghrelin and Leptin Hyporesponders with Lesser Intragastric Balloon Treatment Efficiency: Ghrelin and Leptin Changes in Relation to Obesity Treatment" "Nikolić, Marko; Boban, Marko; Ljubičić, Neven; Supanc, Vladimir; Mirošević, Gorana; Pezo Nikolić, Borka; Krpan, Ružica; Posavec, Ljubica; Zjačić-Rotkvić, Vanja; Bekavac-Bešlin, Miroslav; Gaćina, Petar"