Fig. 2From: The grass pollen season 2015: a proof of concept multi-approach study in three different European citiesTotal nasal symptom scores (mean and SEM) induced by placebo and three different pollen species (top), mean values of the reduction of nasal flow by placebo and three different grass pollen species (center). And mean values of the reduction of nasal secretion by placebo and three different grass pollen species (bottom)Back to article page