Constriction of the buccal branch of the facial nerve produces unilateral craniofacial allodynia.
Lewis SS, Grace PM, Hutchinson MR, Maier SF, Watkins LR. Constriction of the buccal branch of the facial nerve produces unilateral craniofacial allodynia. Brain Behav Immun. 2017 Aug; 64:59-64.