Schoenhofer Habichergasse 31/7 A-1160 Wien AUSTRIA Tel./Fax: +43-1-4955308 Mobiltel.: +43-664-3380333 e-mail: schoenho@via.at I have followed the discusssion on X-rays and acne: I wonder whether there is any compilation of medical applications of radiation available - of course I am only intersted in historical applications. Franz