Weckmann G, Hauptmann-Voß A, Baumeister SE, Klötzer C, Chenot JF. Efficacy of AMC/DCBA lozenges for sore throat: A systematic review and meta-analysis. Int J Clin Pract. 2017, 71 (10): 1742–1241. PMID 28869700. doi:10.1111/ijcp.13002.
Weckmann G, Hauptmann-Voß A, Baumeister SE, Klötzer C, Chenot JF. Efficacy of AMC/DCBA lozenges for sore throat: A systematic review and meta-analysis. Int J Clin Pract. 2017, 71 (10): 1742–1241. PMID 28869700. doi:10.1111/ijcp.13002.