:58-61. Medline 103.*' Guida B, De Martino CD, De Martino SD, et aL Histamine plasma levels and elimination diet in chronic idiopathic urticaria. Eur J Clin Nutr 2000;54:155-8. 104..' Ionescu G, Kiehl, R. Monoamine and diamine oxidase activities in atopic eczema. Allergy 1988;43:318-9. Medline 105. Ring,