Figure 3From: Echinacea/sage or chlorhexidine/lidocaine for treating acute sore throats: a randomized double-blind trial Reduction of the total symptom score (per protocol collective) during 5 days of treatment of the per protocol population (n = 133). The grey triangles show the chlorhexidine/lidocaine (n = 64) and the black circles the echinacea/sage treatment (n = 69).Back to article page