Local Anesthetics, Procaine, Lidocaine, and Mepivacaine Show Vasodilatation but No Type 1 Allergy: A Double-Blind, Placebo-Controlled Study. - Weinschenk S; Mergenthaler C; Armstrong C; Göllner R; Hollmann MW; Strowitzki T (BioMed research international, 2017)