KOPRIVICA, Marko M; BJELANOVIĆ, Jelena. Hypervitaminosis B12. Medicinski časopis, [S. l.], v. 55, n. 4, 2022. DOI: 10.5937/mckg55-33665. Dostupno na: https://asistent.ceon.rs/index.php/mckg/article/view/33665. Pristupljeno: 12 jul. 2026.