pid type title authors mentors source_title published_date url doi isbn issn eissn medri:5114 "journal article" "Characteristics of the group process in long-term psychodynamic group psychotherapy for patients with psychosis" "Restek-Petrović, Branka; Gregurek, Rudolf; Petrović, Ratimir; Orešković-Krezler, Nataša; Mihanović, Mate; Ivezić, Ena"