Non-interventional pilot study to monitor the efficacy and safety of lysozyme-based therapy in the treatment of acute sore throat in COVID-19 patients. - Petrović, Milan; Ritan, Snežana; Topić, Goran; Šukalo, Aziz; Sarajlić, Zehra; Mehić, Meliha; Džananović-Jaganjac, Jasna; Glamočlija, Una (Medical Journal / Medicinski Žurnal, 2021)