Urticarial vasculitis with positive skin polymerase chain reaction for Coxiella burnetii: an unusual manifestation of Q fever

1. Falkenhain-López, D.
2. Alonso-Carrillo, J.
3. Verdejo, M.A.
4. Rodríguez-Peralto, J.L.
5. Calleja-Algarra, A.
6. Zarco-Olivo, C.