ENGERHART RITA 302,448 NATIONAL 21st National Cancer Congress of the German Cancer Society Hamburg, 7-11 March 1994: abstracts of lectures and posters / special vol. eds. M.F. Wannenma-cher, Rita Engenhart. - [Berlin i Springer-Verl., 1994]. - IV, 192 s. ( 27 cm (Journal of Cancer Research and Clinical Oncology, ISSN 0943-9382 ; vol. 120, suppl.)