300,728 BRITISH British Association of Dermatologists and Canadian Dermatology Association Joint Annual Meeting 6-10 July 1993 Oxford, U.K. - Oxford [etc.] : Blackwell Scientific Publ., 1993. - VI, 71 s. : il. ; 27 cm (British Journal of Dermatology, ISSN 0366-077X ; vol. 129, suppl. 42)