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Eighteen patients who developed cutaneous reactions to red tattoos were studied to identify the chemicals responsible for the reactions to modern red tattoo pigments. Biopsies from the tattoos were examined histologically and the chemical composition of the red pigments was analysed by X-ray microanalysis. A variety of metallic elements including aluminium,(More)
The ideal classification of basal cell carcinoma (BCC) should be able to identify subtypes which correlate with clinical behaviour and treatment requirements. Unfortunately, however, such a classification has yet to be defined. In the interim, the currently most favoured classification is one based predominantly on histological growth pattern. This(More)
Following consensus meetings of the two parent organizations, a new World Health Organization-European Organization for Research and Treatment of Cancer (WHO-EORTC) classification for primary cutaneous lymphomas has recently been published. This important development will now end the ongoing debate as to which of these was the preferred classification. The(More)
We address the problem of allowing authorized users, who have yet to establish a secret key, to <i>securely</i> and <i>efficiently</i> exchange key establishment messages over an insecure channel in the presence of jamming and message insertion attacks. This problem was first introduced by Strasser, P&#246;pper, &#268;apkun, and &#268;agalj in their recent(More)