Machet, L.; Vaillant, L.; Machet, M. C.; Esteve, E.; De Muret, A.; Khallouf, R.; Arbeille, B.; Muller, C.; Lorette, G. Schnitzler’s Syndrome (urticaria and Macroglobulinemia) Associated With Pseudoxanthoma Elasticum. Acta Derm Venereol 1992, 72, 22-24.