GRUJICIC, Sandra; NIKOLIC, Aleksandra. CROSS-SECTION STUDIES: ADVANTAGES AND DISADVANTAGES. HEALTH CARE, [S. l.], v. 50, n. 4, 2021. DOI: 10.5937/zdravzast50-35574. Dostupno na: https://asistent.ceon.rs/index.php/zdravzast/article/view/35574. Pristupljeno: 12 jul. 2026.