pid type title authors mentors source_title published_date url doi isbn issn eissn mef:11260 "journal article" "Prevalence of HIV and Hepatitis C and access to opioid substitution treatment among people who inject drugs in three cities in Croatia: findings from the second wave of respondent-driven sampling surveys" "Šević, Sandra; Koletić, Goran; Nemeth Blažić, Tatjana; Kosanović Ličina, Mirjana Lana; Andreić, Josipa-Lovorka; Handanagić, Senad; Pletikosa Pavić, Magda; Božičević, Ivana" ffzg:848 "journal article" "The Relationship between the Use of Social Networking Sites and Sexually Explicit Material, the Internalization of Appearance Ideals and Body Self-Surveillance: Results from a Longitudinal Study of Male Adolescents" "Sevic, Sandra; Ciprić, Ana; Buško, Vesna; Štulhofer, Aleksandar"