Urticarial Vasculitis Secondary to H1N1 Vaccination

R Hughes, JP Lacour, B Baldin, M Reverte, JP Ortonne, T Passeron
2010 Acta Dermato-Venereologica  
Fig. 1 . Confluent, well-demarcated fixed urticarial plaques with an erythematous, indurated border and some scaling of earlier lesions.
doi:10.2340/00015555-0950 pmid:21057759 fatcat:ojtadul5e5ae7ehxpcf4673zi4