ČOLAKOVIĆ, Goran; ANĐELIĆ, Slađana; NAĆIĆ, Mirela. HELLO 194? THIS IS COVID-19 CALLING! . Halo 194 - naučni časopis urgentne medicine, [S. l.], v. 26, n. 2, p. 94–95, 2020. DOI: 10.5937/halo26-27116. Dostupno na: https://asistent.ceon.rs/index.php/halo/article/view/27116. Pristupljeno: 12 juli. 2026.