CNR2 and erythema multiforme: (A–E) Gating panels of PF cells showing CD3 KO525-A on the y-axis vs CD11b APC-A700-A on the x-axis among wild-type (WT), CNR1 k/o, and CNR2 k/o mice with decidualized (DD) EM lesions, as well as CNR2 k/o naive and CNR2 k/o sham-operated controls.