[Immunoelectrophoretic studies on skin diseases. III. Erythema nodosa granuloma anulare, purpura rheumatica and other forms of purpura, acrodermatitis atrophicans Herxheimer, light dermatoses, eczema, urticaria, psoriasis, xanthomatoses, pemphigus, purpura, hyperglobulinemia Waldenstrom, hypogammaglobulinemia].