Fig. 2From: Prevention of pruritus with ethyl-chloride in skin prick test: a double-blind placebo-controlled prospective studyEffect of preventive treatment with ethyl-chloride (EC) or placebo on the wheal and flare indurations area following histamine skin prick test. For all the three different histamine concentrations, there were no significant differences between arms treated with EC or placebo in the indurations areas of the wheal and flare reactionsBack to article page